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Knock sensor
I have a 2001 Yukon XL with 168,000 miles. Engine runs great. I had a MIL Light come on and it was KS 1 1nd 2 Failure, Lo signal. A Lo signal to me means that there is no KS input to the ECM. Also after clearing the code I drive it for a while and everything is fine. I have noticed when I hit a...- BobinHSV
- Post #5
- Forum: Engine & Drivetrain
