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On a 3.4l Impala (2000 thru 2005),the knock sensor is right above the oil filter. There is only 1 knock sensor on the 3.4l engine. You need to drain the radiator to replace it. The 3.8l engine has 2 knock sensors.There are a lot of wrong answers on here so be careful.
Knock sensors are always in contact with the block near the crank. Call the dealership and speak to parts department and they can tell you right where it is on your vehicle by the vin.
Nathan, 2 Knock's are located under intake manifold.
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Feb 17, 2014 - Uploaded by Cody the Car Guy
do you know where is the knock sensor on a 2005 Honda accord coupe .... 2001-2005 Honda Civic Cam ...
Being that you have a terrain, your problem is NOT the knock sensor. Locate the 17 digit VIN on your vehicle and contact a dealer and see if there is a timing chain recall that pertains to your vehicle. The problem is the bank one chain actuator is not adjusting properly. I've had to repair a number of these, and it's costly(12-1600.00 and NOT for a DIY'er
All knock sensors are bolted directly to the engine block. they usually have two wires. Some are on the top, bolted to the intake manifold (v6 or V8) others are bolted to the side of the block, either left or right side. I know my 02 Trailblazer's inline 6 has two bolted to the lower left side of the engine block. Maybe someone will post a better location but this should get you in the ballpark.
Well, for starters, your problem got posted under 1985 Oldsmobile 98 - then you said it was a 95 Oldsmobile 98 Regency Elite (HUGE difference between 85 and 95)...then it would be REALLY nice to know which engine we are talking about.
I'll just go with what you said last: 1995 Oldsmobile Regency Elite (Two engine possibilities)
If you have the 3.8L Supercharged engine (VIN CODE "1") it is on the left side of the engine near the oil filter.
If you have the non-supercharged 3.8L (VIN CODE "K") there are TWO of them. One is near the oil filter and the other one is in about the same location on the other side of the engine block.
Please also note that MOST fault codes for knock sensors are not caused by the knock sensors themselves. (they do fail, but it is very rare.) Usually there is either a wiring problem to the knock sensor, or the engine has internal problems causing a "knocking" or "ticking" noise which causes the engine computer to "think" that there is a problem with pre-detonation causing an "ignition ping". The code sets when the computer has retarded the ignition timing as far as it can and the "knock" or "ping" does not go away....usually it doesn't go away because it is not caused by ignition timing. The knock sensor is just doing its job and reporting the knock. It does not know the difference between a knock caused by ignition and a knock caused by internal engine problems.
There are two knock sensors one for each cylinder bank
Knock Sensor (Bank 1) (3.8L VIN K)On lower left side of engine, near starter. Knock Sensor (Bank 2) (3.8L VIN K)On lower right side of engine. See Fig. 3
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