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2012 Chevy traverse with knock sensor code continues to be an issue. Now that the check engine light comes off the ability to remote start goes away. Cleared code remote start works. Code goes on and remote start no longer works. Pls help
 

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Jklawrence--And yes, you are absolutely correct, the remote start is defeated by any check engine light. When CEL is cleared, remote start functions again.
 

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I was watching a live troubleshooting video on knock sensors. Find the connector, check the resistance to sensor, compare it to the manufacturer specs.
The video was on a Toyota minivan, a rodent made a nest up in the engine under the intake manifold and chewed the wires, replace pigtail, problem solved. Unfortunately it was hard to get to. I believe Toyota was having an issue with wiring because they went to a soy insulation which attracted critters.
 
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