454 Knock Sensor Location

When it is 75 degrees outside, then that temperature gauge reads about 230 degrees. knock sensor with lead to suit subaru. Knock sensor is used to locate engine knock nicely earlier that is audible. Would this be ABS? as didn't think the Au 2 had traction control. The engine's computer is programmed to expect a specified range of signals from the knock sensor. where is the wire for the knock sensor routed to or at ona 1990 C3500 Chevy dually 2 Answers. We sell wholesale to the public. Today I’ll be showing you how to test the primary or upstream O2 sensor in a 2004 Chevy Silverado with a 5. it is located below the dip stick, just behind the starter and the very bottom of the block just before it hits the oil pan. As with the CTS,thisisaccomplishedbymodifying. I was told that you cant run a higher grade than the 89 octane found at most marina's. I am confident I can swap the sensor myself this time. It could save your motor. The faulty knock sensor will not cause the Check Engine light to come on nor will it cause the driveability symptoms you describe. Heads, intake and cam all upgraded, 4150 Holley carb. " How To Install Replace Engine Knock Sensor 2000 06 5 3L Silverado Sierra Knock sensor 5 3 4 8 6 0 replacement. I understand there is a separate sending unit for the dash gauge that has one lead from it. MERCRUISER HORN WARNING SYSTEMS 90-898301003 JUNE 2007 Page 5 / 10 Models All MEFI-3 V-6 and V-8 Sterndrive and Inboards 4. The local shop said they replaced it, but it doesn't look new. 7L) Knock Sensor Signal Because this is the clearest indication that these ARE NOT the Connector Pin. Seems reasonable as the sensor in the block just completes the circuit by making the connection. This information is used by the ECU to control the injectors so that they run quieter. This page is dedicated to the owners of these vehicles equipped with GM's dual point fuel injection (model 220 TBI). 4L/454 Chevy big block Gen VI Knock Sensors and get Free Shipping on Orders Over $99 at Summit Racing!. vi gm 454 v-8 1998-2000 senders and harness bracket parts. He could not ID the problem. The sensor sends data momentarily to the board. Applications using a turbo or supercharger may have a 2- or 3-bar MAP sensor. KNOCK SENSORS - 0411 Swap on Vortec 454. knock sensor location on a problem is what i have read says a dark blue wire and they are different in looks to each other. 2, 806612T Knock sensor for GM Small Block marine engines like Mercruiser, OMC, Volvo, PCM, Marine Power and Crusader. 7L) engines. More advanced forms of the sensor are also used, for example an extra closed throttle position sensor (CTPS) may be employed to indicate that the throttle is. See where the knock sensor is supposed to be located on a 5. And beware if you're seeing a lot of knock counts and not hearing any, one of the sensors is likely completely dead or disconnected. The local shop said they replaced it, but it doesn't look new. Seems reasonable as the sensor in the block just completes the circuit by making the connection. Both thread into the same location in the block, hole is same thread size,. with the new sensor from 1aauto i had to locate a new hole in the block to secure it in. The tap-with-a-hammer test made the voltage reading increase on the digital multi-meter. 0 knock sensor replacement knock sensor location on 2002 chevy silverado. I received the new knock sensor and downloaded the Merc manual. I Replaced water pump, all water hoses, intake gaskets, egr valve, distributor, cap and rotor, sparkplugs, sparkplug wires, two injectors and cleaned tbi. Page 2 Location: Philly area. after doing so, the obd1 code 43 was still showing. It can work like a switch. So, if you live out West and need to travel over the mountain the newer Workhorse or Ford V10 give alot more power on the mountains. Knock sensors generally do not go bad. As far as I know they never put the old 350 or 454 in the new body style. This sensor didn’t set off a trouble code or “check engine” light. You may be dealing with a wire, connector, or related component failure that you can fix yourself. the computing gadget makes use of this to then retard the ignition timing to keep the engine from knocking or causing damage to itself because of low octane gasoline, or different situation. View and Download Painless Performance VORTEC 60211 installation instructions manual online. Available to order: Usually ships within 8 days. SPECIAL EFI PARTS REQUIRED 1. Loading Unsubscribe from Taylor Stevens? Location: United States Restricted Mode: Off History Help About. His hands were always dirty, but the MAP sensor looks old. Find our best fitting knock sensors for your vehicle and enjoy free next day delivery or same day pickup at a store near you!. My truck has a knock because of my crankshaft and that is where it is located. You almost certainly already know that gmc knock sensor location is one of the hottest issues over the internet nowadays. This version of the Vortec 454 though clearly has a sensor in what's left of the distributor. All base engines have a 90 day warranty. How to Bypass a Chevy Knock Sensor by Ashton Daigle Your knock sensor is an electrical device on your truck, car or Sport Utility vehicle that detects knocks in your engine caused by premature detonation of the air-fuel mixture as it enters the cylinder head. Also, does it work good? I have a 1994 k1500 with 350ci Thanks. Remove the driver's side wheel using the lug wrench. I need the check engine light for Dakota Digital gauges knock sensor as it broke off have not a clue what the wire is need to wire a air to fuel ration gauge so I beleive i need to ecm wiring however it is different from the books like chilton and haynes. Anyhow, I find the water port for the knock sensor on the passenger side below the headers which when the sensor is installed it ALSO pretty much blocks the oil dipstick + holder from being inserted. Find CHEVROLET 7. 454, AT, Chevy G30 chassis. The two-wire, flat-response knock sensor requires either an attaching bolt or stud for attachment to the engine. A knock sensor (located at the rear of the engine block) sends signals to an ESC module which then signals the ECM that knocking is being detected. This is the knock sensor mid-valley. A8DH100M Ej257 short block, CP Pistons, Ported EJ255 Heads, Kelford 264 cams, Blouch 1. Free shipping on orders over $50 always makes purchasing a little easier. Try this: Use a long extension or pipe, and bang on the engine block near the sensor. Should I replace the KS with a new one? Thanks Rich. Page 2 Location: Philly area. My RX300 runs good, but has the downshift problem and doesn't easily go into the last gear, so has high revs if try and go over 55-60 mph. The manual says it must be precisely torqued to 16-18ft-lbs for best performance. I bet you could buy one new for under $30. Replace the Engine Knock Sensor on a 1997 GMC Sierra 1500. gmhightechperformance. Big block Chevy Mark 5 Specify knock sensor and fuel pump. Bosses for knock sensorscheck. A fuel-injected engine may alternatively use a mass airflow sensor (MAF sensor) to detect the intake airflow. Including a Large Selection of New, Used and Surplus Engines for Sale. We sell wholesale to the public. The tiny thing that keeps your car working, often falls prey to regular wear and tear, and therefore must be taken care of. 0L MPI (2008-Current) NOTE: Some 2005 & up MPI models use DTS (digital throttle & shift), so this IAC valve is not compatible. The sensor is a thermistor which changes internal resistance as temperature changes. com, the official site for GM High-Tech Performance Magazine. instructions are for a typical 454 truck or or high performance small block engine. You can check the injector spray pattern with an 'advanceable' timing light. Why? Because this MAF sensor is a hot wire sensor type that easily becomes contaminated with dirt and stuff if the air filter isn't performing its job. 4/454 crank/cam corelation p1345. More advanced forms of the sensor are also used, for example an extra closed throttle position sensor (CTPS) may be employed to indicate that the throttle is. Circuit Descriptions of the GM TPS Sensor. Here’s my problem and I sure hope you guys can help. As the sensor warms (internal resistance low), the VCM monitors a low signal voltage which it interprets as warm engine. Pickup Location Info Oil pressure sensor adapter - Gen 4 reverse intake. 4L no knock sensor, no ESC Module. 2 ? I have used an ohm meter to check both sensors and they check out the same. Labor costs are estimated between $79 and $100 while parts are priced between $47 and $70. The engine temperature sensor will be a few inches above the thermostat housing. 454 efi (gen. Additionally, since MAF sensors are somewhat pricey, many technicians are afraid to condemn them, fearing either the customer’s or the boss’ wrath if their diagnosis is not borne out. I finally got time off work to do the install then cleared the codes. More advanced forms of the sensor are also used, for example an extra closed throttle position sensor (CTPS) may be employed to indicate that the throttle is. " How To Install Replace Engine Knock Sensor 2000 06 5 3L Silverado Sierra Knock sensor 5 3 4 8 6 0 replacement. The knock sensor is in the right side of the block, right in front of the starter. Very good system. 1996 chev k3500 7. Learn what does P1345 Chevrolet Crankshaft Position-Camshaft Position Correlation means, location and how to repair? The Crankshaft Position (CKP) sensor is a permanent magnet generator, known as a variable reluctance sensor. Anyway, installed the new knock sensor and still am reading very low voltage at the timing lead. The manual says it must be precisely torqued to 16-18ft-lbs for best performance. For more information on RepairSolutions® and available promotions, please visit www. But I have been told that my knock sensor may be effecting my throttle position sensor. All repair manuals contain pictures and illustrations to guide you through the repair 1995 7. Also fits 3. Knock sensor location on chevy silverado also 2006 chevy silverado knock sensor location knock sensor location on chevy silverado 454 1996 chevy 2500 knock sensor location 2005 silverado knock sensor location knock sensor function chevy silverado knock sensor replacement knock sensor location on 94 chevy silverado chevy 6. i used a 92 GM truck manual when i reworked the harness. my ecm has knock sensor compatibility. Description. The coolant temperature sensor is located on the engine block under the hood. Flat-Response Knock Sensor. Pickup Location Info Oil pressure sensor adapter - Gen 4 reverse intake. You almost certainly already know that gmc knock sensor location is one of the hottest issues over the internet nowadays. 87 C30 454 TBI Rough Idle and almost stalls out if you stand on it. Fits: MCM/MIE GM V8 454, 502, 540, 572 These Mallory Marine ignition knock sensors maximize your engine's performance--regardless of fuel quality! The knock sensors hear various knock frequencies under many operating conditions to detect shifts and provide an accurate signal to your engine control module. EGT K type sensor (ebay sensor) THER+ Pin39 EGT+ THER- Pin62 EGT-KNOCK sENSOR (Bosch one bought on Syvecs website) Knock Input Pin17 Knock GND Pin18 BOOST SOLENOID (Pierburg one bought on Syvecs website) Aux4 Pin5 VBAT Pin21 12V Ok, So How can I do for that these sensor works on my ECU? How I know I have to go: SCal----Io Configuration----Pin. With my 454 in a Holiday Rambler 36ft, traveling over the Grapevine (a long hard mountain climb leaving Los Angeles on I-5) would drop us to 25 or 30 mph. Search our online knock sensor catalog and find the lowest priced discount auto parts on the web. Re: 4L80E Transmission Problems: james d smith: 7-25-08 : Thank you for taking my question,A friend of mine wanted to buy my 1994 gmc 2500 4x4 diesel 6. Has had fel pro intake gaskets put in it, upgraded ac delco spider injector, newer cap and wires, water pump and knock sensor. To me it sounds like a bad primary O2 sensor or CTS that's causing the overfueling. the harness and computer were both for a big block. Other things to consider if your thinking you still don’t need the knock sensor. Only at www. The sensor is usually located on the butterfly spindle/shaft so that it can directly monitor the position of the throttle. It's a single Dark blue wire. A faulty knock sensor pairs activated or flashing warning lights with strange engine noises, which are the most common symptoms associated with faulty knock sensors. knock sensor location on a problem is what i have read says a dark blue wire and they are different in looks to each other. Tools Needed To Test The Crank Sensor Sensor. This page is dedicated to the owners of these vehicles equipped with GM's dual point fuel injection (model 220 TBI). 7L from a Savana van only uses a single wire sensor for knock while the 2001 s10 has a two wire sensor located on the back of the block next to the distributor. The most obvious one is that the CHECK ENGINE light (CEL) will be on on your instrument cluster and driving you nuts. It will compare this information with its preset tables to identify a valid knock or ping. The engine will knock or ping at. The knock sensor is located at the rear of the engine block. In this situation Seloc must of cut and pasted from the Merc manual because they read exactly the same. I Replaced water pump, all water hoses, intake gaskets, egr valve, distributor, cap and rotor, sparkplugs, sparkplug wires, two injectors and cleaned tbi. P0327 Knock Sensor DTC Code Technical Description. 0L MPI (2008-Current) NOTE: Some 2005 & up MPI models use DTS (digital throttle & shift), so this IAC valve is not compatible. When it is 75 degrees outside, then that temperature gauge reads about 230 degrees. My truck has a knock because of my crankshaft and that is where it is located. A typical naturally aspirated engine configuration employs one or the other, whereas forced induction engines typically use both; a MAF sensor on the charge pipe leading to the throttle body and a MAP sensor on the intake tract pre-turbo. Buy a genuine Mercury Quicksilver or aftermarket part. Don't know what this one is? P0325 Knock sensor ( guess this is the main culprit for my issues) P1221 traction control. You can also find other images like 2009 chevy silverado fuel filter location,07 silverado knock sensor location,2009 chevy silverado fuel pump relay location,2009 chevy silverado brake switch location, and others. A faulty manifold pressure sensor has symptoms that closely resemble a vehicle with injector problems or low compression problems. There were 2 different style knock sensors offered on Gen III LSx engines : A locking tab design, and a standard style connector (same as TPI and LT1 style knock sensor connectors). How does the knock sensor work? Every time the engine knock sensor notices a vibration, it sends a signal to the engine's computer, reporting how large it was. At 20 "Hg, the MAP sensor will indicate about 5 psi. Idle Air Control Valve (IAC) for MerCruiser engines with 555 ECM. 3 TBI Throttle Body Injected Engines. 3:73 GT4 G80 Posi, all HD options including trans cooler, oil cooler, off-road package skid plates, push button NP1 transfer case system, 4L80E transmission, HD air cleaner system and F60 HD spring option, JD7 8400LB rating with big brakes, hydro boost system. gen iv engine family 2006 + The Gen IV engine family started as early as 2005, with the introduction of the LS2 engine, the only Gen IV engine to use the Gen III Cathedral style intake ports. Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by mason704, Nov 10, 2009. 5 R020033 Sensor, knock 2 6 NSS Cylinder Block 7 RA073001 Drive, oil pump 1 8 TBD Bolt, oil pump drive 1 9 TBD Plug, oil gallery 9A R024223 Adapter, oil pressure sensor (OEM specifi c) AR 9B R020048 Sensor, oil pressure (CAN-Bus) (OEM specifi c) AR 10 R022021 Pin, cylinder head locating 4 11 R015012 Ring Set, piston (STD) 8. A trouble code pointing to a potential Crankshaft-Camshaft Position Sensor failure doesn’t necessarily mean that the sensor itself is bad. Based on the info we got from adwords, gmc knock sensor location has incredibly search online web engine. Trouble DTCs library Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine. All base engines have a 90 day warranty. The sensor sends data momentarily to the board. The first Chevrolet P30 was unveiled in 1975. A knock sensor is basically a piezo crystal cut to resonate at the same frequency as an engine knock (detonation). ! (323) 227-9999. The cost for knock sensor replacement is that high because it involves removing the upper and lower intake manifolds for access. Parts for MerCruiser 350 Mag MPI Alpha / Bravo Senders & Sensors. The 2001 and 2002-2003 camshaft position sensor plugs are wired differently than the later model 2004+ sensor and require a pigtail adapter to complete the swap. There’s more than just one Silverado O2 sensor in your Chevy truck, especially when it’s an OBDII Silverado or built after 1996. This is because its function is to sense vibrations caused by engine knock or detonation. Bonuses as well as Feedback are always welcome. It's giving the code for Knock Sensor Sigal. Page 2 Location: Philly area. See where the knock sensor is supposed to be located on a 5. I have a new knock sensor, or if you don't need it you can simply plug the port. Re: Custom knock sensor idiot light? November 7th, 2012, 10:07 AM I think the idiot light is simple in a non computer controlled vehicle with a simple power source and relay as long as the signal is just meant to turn on the light and not make adjustments to the computer. 3 liter v6? It is located on the lower side of the engine block normally on the drivers side You can see a picture of it if you look the parts store website. P0325 Knock Sensor 1 Circuit Malfunction (Bank I or Single Sensor) P0326 Knock Sensor 1 Circuit Range/Performance (Bank 1 or Single Sensor) P0327 Knock Sensor 1 Circuit Low Input (Bank I or Single Sensor) P0328 Knock Sensor 1 Circuit High Input (Bank I or Single Sensor) P0329 Knock Sensor 1 Circuit Intermittent (Bank 1 or Single Sensor) P0330. Buy Knock Sensor Switch Sender for Mercruiser Sensor 5. The Knock Sensor is located right next to the Starter as shown in the picture below. Initially I plan to use the 454 knock sensors because they made the most sense. I understand there is a separate sending unit for the dash gauge that has one lead from it. You can see an example of a dirty MAF sensor here: Dirty MAF Sensor Example (Fly Stuck in MAF Sensor). The knock sensor is located at the rear of the engine block. Advancing the base timing when towing under load on a hot day will probably lead to detonation (spark knock) I don't think the 454 had a 'knock sensor' in 1991. i need to wire in a aldl before i can hook a scanner up to it, and i havent checked for codes yet. so unscrew the plug, then screw in the knock sensor. Reach through the wheel well into the engine, just above and to the left of the oil filter housing, and just below the third cylinder from the front of the engine. It has a vortec 5. A knock sensor is basically a piezo crystal cut to resonate at the same frequency as an engine knock (detonation). The 454 must use it's own programming, or zero out the knock sensor programming in the bin file used. Tuning With A Knock Sensor. The average cost for a Chevrolet HHR knock sensor replacement is between $126 and $170. Here are a couple of others: A MAF sensor diagnostic trouble code (DTC) stored in your vehicle computer's memory. Chevy vortec knock sensor replacement Taylor Stevens. It should only be a matter of plugging in the 454's knock sensor and mounting the ESC module on the intake for your ESC circuit to work. Knock sensor for 305 is a Wells SU121, but the 350 uses a Wells SU154. The 2004+ sensor also has a longer magnetic reader that fits inside the timing cover, requiring the later model 2004+ timing cover with the raised sensor section to fit the added length. I am getting a P0332 code. The engine's computer is programmed to expect a specified range of signals from the knock sensor. What happens if the MAP sensor is bad on my 1991 2500 454 TBI Suburban? What effects will be noticed. This really depends on your engine serial number, But the Knock sensor you are looking for is going to be either number 28 in this link below. When it "hears" a ping - far more sensitive than we can hear - it "bumps" the timing down a few degrees. The cost for knock sensor replacement is that high because it involves removing the upper and lower intake manifolds for access. For those of you that have installed a single knock sensor on a pre-89 engine, can you recommend the most ideal location?. Buy a 1990 Chevrolet C1500 Knock Sensor at discount prices. MAF Sensor Engine Coolant Temperature Oxygen Sensor (Pass. 2 MPI Horn Output Possible Cause Corrective Action Engine Usage Available For Consumer Key on, beep for 2 seconds, then off. 4l mpi mie (l29) gen. I just cut and spliced the 454 IAC to my factory 350 harness. What are the signs of a bad knock sensor in a 95 suburban. Where is my IAT Air Intake Sensor Most vehicles have their IAT = Temp sensor located on the air intake track of the vehicle. Parts for MerCruiser 350 Mag MPI Alpha / Bravo Senders & Sensors. Gmc Knock Sensor Location (Oct 17, 2019) -. Don't know what this one is? P0325 Knock sensor ( guess this is the main culprit for my issues) P1221 traction control. I have a new knock sensor, or if you don't need it you can simply plug the port. 4L four cylinder engine is popular in smaller cars. Did you possibly get some bad gas to where the computer is retarding the timing due to spark knock?. Best gallery images for wiring diagram, wiring harness, electrical diagram, engine diagram, parts diagram. vi gm 454 v-8 1998-2000 senders and harness bracket parts. Your profile does not give a location. It’s one of the most serious crankshaft position sensor symptoms. You would want a different light for the water temp so you know what is causing the problem, but the same rule applies. Fits: MCM/MIE GM V8 454, 502, 540, 572 These Mallory Marine ignition knock sensors maximize your engine's performance--regardless of fuel quality! The knock sensors hear various knock frequencies under many operating conditions to detect shifts and provide an accurate signal to your engine control module. Anyhow, I find the water port for the knock sensor on the passenger side below the headers which when the sensor is installed it ALSO pretty much blocks the oil dipstick + holder from being inserted. temperature index 90-823224--2 796 wiring diagrams - 4f-23 multi-port injection wiring diagram (chart 4 of 4) to ign coil term b to fuel pump relay fuse 15a to injectors system/ignition relay 8 8 6 5 8 7 ecm bat fuse/ 10a dlc 15a to dlc connector 439 pnk/blk knock knock sensor (ks) sensor (ks) module lanyard stop a switch circuit connector not present (optional) on some multi-port models b blk index 4f-24 - wiring diagrams 90-823224--2 796 throttle body injection wiring diagram (chart 1 of 4. A loss of knock sensor signal or loss of ground at the ESC module will cause the signal at the ECM to remain high. To me the most interesting part about the knock sensor is that it only has one wire going to it. The Fan Venturi Bracket flange gets in the way of the Knock Sensor being bottomed in the forward block drain hole. Available to order: Usually ships within 8 days. carb or fuel injection. Choose top quality brands AC Delco, API, Delphi, Forecast, Ramco, Standard Motor Products, TPI, Walker. You will search for the sensor within the engine block itself, using a drop light if you need help to see it better. It has a vortec 5. In Northern Canada, a Block heater is is a must in the winter. Side Oxygen Sensor (Drv. I have purchased 3 454 1 ton 454s 89-90 trk motors and they all had the ESC and knock sensor on them. Fits: MCM/MIE GM V8 454, 502, 540, 572 These Mallory Marine ignition knock sensors maximize your engine's performance--regardless of fuel quality! The knock sensors hear various knock frequencies under many operating conditions to detect shifts and provide an accurate signal to your engine control module. So, if you live out West and need to travel over the mountain the newer Workhorse or Ford V10 give alot more power on the mountains. how can i tell if my jeep had a knock sensor? when i was stripping the old engine there was no knock sensor on it. That is a Block Heater in the Frost plug. The knock sensor is located on the engine block, cylinder head or intake manifold. Click your engine size bellow for pictures of common sensor locations and descriptions. MerCruiser Idle Air Control Valve (IAC) Sensor - EMP. The knock sensor is faulty and needs to be replaced There is a wiring open/short/fault in the knock sensor circuit The PCM/ECM has failed TL;DR, possible resolutions: Verify the resistance of the knock sensor (compare it to factory specs) Inspect for broken/frayed wires leading to the sensor. Replace the Engine Knock Sensor on a 1997 GMC Sierra 1500. ! (323) 227-9999. ServiceManual Trucks Group28 EngineControlModule(ECM),DiagnosticTroubleCode (DTC),Guide 2010Emissions CHU,CXU,GU,TD PV776-88961816. The ECM expects to see no voltage on the EST line during this condition. Then the EST circuit tries to move it up again. The way they used to work is the PCM supplies 5 volts to the sensor though a pull down resistor. Engines with this style sensor will have one on each side of the block located in the block drain. 3L Vortec engine. I hope this helps you. Here’s my problem and I sure hope you guys can help. Click your engine size bellow for pictures of common sensor locations and descriptions. OBD1 is probably what you have. A bad knock sensor causes a decrease in acceleration and fuel mileage. I received the new knock sensor and downloaded the Merc manual. How does the knock sensor work? Every time the engine knock sensor notices a vibration, it sends a signal to the engine's computer, reporting how large it was. The bearing is made from a softer material than the rod or the crankshaft. This is a basic TBI harness for all engines using ECM 1227747 and 1228746 type ECM-many others can be used. 8 with 299,000 miles. Buy Knock Sensor Switch Sender for Mercruiser Sensor 5. Parts for MerCruiser 350 Mag MPI Alpha / Bravo Senders & Sensors. Also used as the air intake temperature sensor on the roadster located in the rear left side of the car behind the air intake duct. 454 erratic timing I have a 1990 454ss truck that i recently bought, the truck was sitting for 6yrs. Search our online knock sensor catalog and find the lowest priced discount auto parts on the web. The tiny thing that keeps your car working, often falls prey to regular wear and tear, and therefore must be taken care of. Learn what does P0171 Chevrolet Fuel Trim System Lean Bank 1 means, location and how to repair? The Engine Control Module (ECM) controls the air/fuel metering system in order to provide the best possible combination of driveability, fuel economy, and. If you're mounting them in the stock gen 6 location, it would probably be easiest to get a sensor from the 3500, and use the knock sensor tables from an 02 express van (OS 12212156, its single sensor system). Search our online knock sensor catalog and find the lowest priced discount auto parts on the web. Anyhow, I find the water port for the knock sensor on the passenger side below the headers which when the sensor is installed it ALSO pretty much blocks the oil dipstick + holder from being inserted. Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by mason704, Nov 10, 2009. In this situation Seloc must of cut and pasted from the Merc manual because they read exactly the same. Buy a genuine Mercury Quicksilver or aftermarket part. not understanding how my system worked cost me alot $$$. I added an Edelbrock 454 TBI intake the new 454 engine also. You may notice a gas smell after the engine has warmed up. It should only be a matter of plugging in the 454's knock sensor and mounting the ESC module on the intake for your ESC circuit to work. The problem is most likely the ESC (spark control). With DTC reader I determined the bad sensor to be the one designated as Bank 2/Sensor 2. May 24, 2013 #6 Brian Callahan Veteran Member. At 20 "Hg, the MAP sensor will indicate about 5 psi. knock sensor with lead to suit subaru. Also fits 3. Also used as the air intake temperature sensor on the roadster located in the rear left side of the car behind the air intake duct. Talk about cheap insurance anyway. GM Throttle Body Injection 1987-93 LO3 (5. KNOCK SENSORS - 0411 Swap on Vortec 454. I had the howell with no knock sen. At 20 "Hg, the MAP sensor will indicate about 5 psi. A knock sensor can usually be tested by rapping a wrench on the manifold near the sensor (never hit the sensor itself). It you unplug the knock sensor it will set a trouble code when it runs its self test (see criteria below). i used a 92 GM truck manual when i reworked the harness. 1990 454 ss new fuel pump cleaned tb installed new injectors new fuel pressure regulator new egr valve new fuel filter new cap rotor and wires and plugs new knock sensor tested coil and dist module both test good no intake or throttle body leaks fuel pump is 13 psi no ses or check lights on no codes timing at 4*. if it is the same part number but uses a different. 2 common problems on the TBI big block are clogged injectors and MAP sensor drift. On Mark IV 454 TBI engines, it is on the lower part of the block, usually passengers side, in the block drain hole. 4 has a knock sensor mounted in the block ahead and slightly above the starter. We sell wholesale to the public. instructions are for a typical 454 truck or or high performance small block engine. Temp sensor is most likely. Where is my IAT Air Intake Sensor Most vehicles have their IAT = Temp sensor located on the air intake track of the vehicle. The knock sensor is located at the rear of the engine block. I havent sonic tested them though. Knock sensor for 305 is a Wells SU121, but the 350 uses a Wells SU154. Idle Air Control Valve (IAC) for MerCruiser engines with 555 ECM. The Fan Venturi Bracket flange gets in the way of the Knock Sensor being bottomed in the forward block drain hole. Use a support approximately every 6 inches unless Service # 16244210 Knock Sensor Delco #213-324. Please let us know if you need anything else to get the problem fixed. 7L) engines. I was told that you cant run a higher grade than the 89 octane found at most marina's. MerCruiser 7. 1996 chev k3500 7. How to Bypass a Chevy Knock Sensor by Ashton Daigle Your knock sensor is an electrical device on your truck, car or Sport Utility vehicle that detects knocks in your engine caused by premature detonation of the air-fuel mixture as it enters the cylinder head. Click your engine size bellow for pictures of common sensor locations and descriptions. This is the knock sensor mid-valley. The bearing is made from a softer material than the rod or the crankshaft. What Tools do I need?. As far as I know they never put the old 350 or 454 in the new body style. 1989 should have knock sensor/computer and throtle body fuel. vi gm 454 v-8 1998-2000 senders and harness bracket parts. What is supposed to work best is to have a sensor which matches the engine bore and stroke and block resonant characteristics. With Ohmmeter still connected to ECM harness CKT 423 and ground. S has a tool available that inserts between the Throttle Position (TP) sensor and the Throttle Position (TP) connector to ease this step for $29. See All Knock Sensor for Chevy C1500 If you're looking to upgrade or repair your Chevy C1500 with a Knock Sensor Auto Parts Warehouse is here for you. The Knock Sensor is located right next to the Starter as shown in the picture below. knock sensor location on a 1991 c3500 dually with a 454 vin#2gchc39nxm1123129 i…. If a failing or dead sensor is the issue, there are several OBDII codes in particular that will be set off (more on this in the following section). Buy a 1990 Chevrolet C1500 Knock Sensor at discount prices. This system is based on the Production GM (Chevrolet) throttle body fuel injection system and electronics used from 1987 to 1991, on 305, 350, and 454 engines. The ECM will retard the timing by as much as 20 degrees in 1 degree increments. 0 261 231 188 detonation sensor knock knocking petrol diesel, oe quality replace replacement knok ignition part engine rfn, starting start 0031538928 0041534628 0041539028 0061533628, 009108191 009108571 009108581 0261231045 0261231046 06235703, 0261231103 0261231108 0261231188 0261231189 030905377a 19519, 05033316ab 064836033010 0907006. The knock sensor is responsible for detecting detonation. they don't look to be puzzling to modify and many times screw into the component to the engine block at some position on the engine. Chevrolet P30 is a light-duty stepvan truck manufactured by General Motors from 1975 to 1999. Reach through the wheel well into the engine, just above and to the left of the oil filter housing, and just below the third cylinder from the front of the engine. Location of the knock sensor for a 1988 454? - up under the right side above oil pan, but below exhaust. It has a vortec 5. We have over lots of customer reviews on GMC Knock Sensor to help you find exactly what you need. When it "hears" a ping - far more sensitive than we can hear - it "bumps" the timing down a few degrees. It could happen at any time: You are driving on the highway, moving. There were 2 different style knock sensors offered on Gen III LSx engines : A locking tab design, and a standard style connector (same as TPI and LT1 style knock sensor connectors). More advanced forms of the sensor are also used, for example an extra closed throttle position sensor (CTPS) may be employed to indicate that the throttle is.