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Repeat knock sensor codes
No solid updates. Honestly I've been busy building a new house and haven't been able able to work on this for a while.- Fguy80
- Post #13
- Forum: Engine & Drivetrain
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Repeat knock sensor codes
So far I've got 1 tank of 93 octane through it with no change.- Fguy80
- Post #10
- Forum: Engine & Drivetrain
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Repeat knock sensor codes
I will give a tank or 2 of 91 a shot and see if it makes any difference. I'm suspecting the knock sensors were bad from stock as prior to this last change I was only getting the P0332 code, now I'm getting the P0327 and P0332 codes.- Fguy80
- Post #8
- Forum: Engine & Drivetrain
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Repeat knock sensor codes
I've inspected as much of the wiring as can be seen without splitting the loom back. I will definitely check the PCM plugs and likely ring out the wiring between the plugs. This truck has been absolutely trouble free since we've owned it and is in fantastic shape for the age, but this has...- Fguy80
- Post #6
- Forum: Engine & Drivetrain
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Repeat knock sensor codes
It is the 6.0. I'll have to verify, but I believe that I'm getting the P0327 code now, prior to this last sensor change it was P0332. Running 87 octane, generally 10% blend, but have tried ethanol free. Spark plugs were changed November of 2021 with AC Delco 41-962 We bought it 12 years ago...- Fguy80
- Post #3
- Forum: Engine & Drivetrain
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Repeat knock sensor codes
Greetings everyone, I'm having some repeat issues with the knock sensors on my 2005 Yukon XL Denali. I've change both sensors with AC Delco sensors and a genuine GM harness, all torque specs were adhered to and mating surfaces cleaned. I also make sure to disconnect the positive battery cable...- Fguy80
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- Replies: 12
- Forum: Engine & Drivetrain
