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Scottykw I have an 88 Oldsmobile Cutlass Calais quad 4,2.3L needing help locating the knock sensor on my car,rough idling and slow and sluggish acceleration.ive replaced the crank shaft position sensor and spark plugs,and fuel filter and allot of other things, but not the knock sensor or the Mass air flow sensor...where can I locate the knock sensor?
You will need to change the crank position sensor first and see if it corrects the problem. It is located behind the engine near the firewall. It's a bit tricky to get to it, you would need to rotate the engine forward then look under the exhaust manifold and under the cylinder closest to the drivers side. Use a 10 mm deep socket to loosen bolt. After replacement and it is still stalling then you will need to replace the ECM (vehicle computer). If it turns out to be the computer, go to your local junkyard to get an inexpensive replacement Click on the link below to view the CPS, it is around $22
tcc stuck try unpluging it and see if same but dont drive with unpluged will burn up transmission also could be fuel pump . or crank shaft postion sensor . try the tcc first then vheck fuel presure , and then check for codes with scanner
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