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2011 GMC Sierra 3500 HD SLE 6.0L Engine
Posted to GM Engine on 12/16/2022 13 Replies

This truck came in initially with a misfire on 7 and changed the plugs and 1 coil and test drove and ran fine. The following day the customer calls and says the truck runs worse than before he brought it in. He came in like a week later on a tow truck sayi...

13 Replies Received (View Replies)

  Related Documents & Media  2011 GMC Sierra 3500 HD SLE

 
Message Closed w/FIX

car Vehicle Data

2011 GMC Sierra 3500 HD SLE

VIN 1GT423CG2B
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedEngine
ConditionsNoise
Message Closed w/FIX

car Vehicle Data

2011 GMC Sierra 3500 HD SLE

VIN 1GT423CG2B
Engine6.0 L / 8 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedEngine
ConditionsNoise