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Old 10-28-2012, 11:47 AM   #21
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Originally Posted by Kabigon View Post
Think of the knock sensor as a microphone that is tuned to a specific frequency.
Even when the engine is running normally (no knocking/pinging), it has a certain amount of output.

If for example the knock sensor had no output while the engine is running, the PCM will see that as a bad sensor.
I hear you but dang less than 800 miles don't really expect any issues!
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