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knock sensor
11-11-2008, 12:30 PM
Post: #11
RE: knock sensor
I found this little piece of info.

Disconnect knock sensor connector and remove knock sensor from vehicle. Mount knock sensor in the jaws of a bench vise and connect a voltmeter between terminals 1 and 2.
Wrap on the bench vise sharply with a hammer an observe voltmeter.
Verify that a voltage spike (less than 1 V ) is output from the knock sensor.
If no voltage spike is observed, replace the knock sensor.

Cary Joe York
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11-11-2008, 12:31 PM
Post: #12
RE: knock sensor
I the sensor is good and the wiring to the sesnor is good I would say a ECM.

Cary Joe York
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11-11-2008, 12:33 PM
Post: #13
RE: knock sensor
As I said before if that is the case, I would.

Drop the car of at the dealer after hours and clear the codes then. Leave the keys and recall notice it the night drop. The codes will be clear and they would have to drive it as you said up to 75 miles and 10 ignition cycles. They would not be doing that. That may get the recall done to see if the ECM is the problem.

Cary Joe York
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