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2002 GMC Sierra 2500 SL 6.0L Misfire
Posted to GM Driveability on 6/25/2014 7 Replies

Hi Everyone, this one has got me lost today, the truck will set a code P0300 random Missfire every time it is suppose to lock up the TCC, the engine never misses a beat while this happens. All the scan data look normal, another strange issue is that when I hoo...

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  Related Documents & Media  2002 GMC Sierra 2500 SL

 
Message Closed w/FIX

car Vehicle Data

2002 GMC Sierra 2500 SL

VIN 1GTHK23UX2
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2002 GMC Sierra 2500 SL

VIN 1GTHK23UX2
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected