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2002 GMC Sierra 2500 HD 6.0L Spark Knock/Detonate
Posted to GM Driveability on 9/30/2011 8 Replies

Customer brought truck in for noise. Verified as spark knock. Found TSB on knock sensor corrosion, removed the intake and inspected sensors - both ok. Tapped on block and both put out AC volts. Reassembled intake with new gaskets. Cleaned MAF eventhough readin...

8 Replies Received (View Replies)

  Related Documents & Media  2002 GMC Sierra 2500 HD

 
Message Closed w/FIX

car Vehicle Data

2002 GMC Sierra 2500 HD

VIN 1GTHK23UX2
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsSpark Knock/Detonate
OccursOn Accel
Message Closed w/FIX

car Vehicle Data

2002 GMC Sierra 2500 HD

VIN 1GTHK23UX2
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsSpark Knock/Detonate
OccursOn Accel