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Originally Posted by coronan
Ok Im gaining conficence. I folded the throttle body out of the way to gain access to the connector. Yes its under the throttle body pullies, behind the intake manifold, right of center on the top of the block. You can see the hydraulic clutch to the rear.
So then the manual says if it does not have continuity the unit is working. It DOES NOT. What are the other common causes for this sensor to trip???
I installed an underdrive pully about a week before the check engine light first showed up. If reset the light comes back in 3 or 4 days.
I'm sporting 110,000 miles but the motor sounds good and hasnt exhibited any loss in power.
Any experience, Anyone???
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Since the knock sensor is really just a microphone that's listening for the sounds of pre-detonation, there is a chance that there's simply something making a similar noise and triggering the knock sensor. Did anything get loosened when you did the pulley swap that might be banging on the block under vibration?