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1999 GMC C6500 7.4L Cuts out, Misfire
Posted to GM Driveability on 6/12/2009 8 Replies

I have this GMC 6500 truck that is giving us BIG issues! First off this thing is Coil Near Plug.. Its is a 7.4L vin D. At first it would run bad all the time.. backfiring and missing like crazy! It then stalled and would not restart. When looking at it found t...

8 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1999 GMC C6500

VIN 1GDJ7H1D8X
Engine7.4 L / 8 cyl
DeliveryFI
EmissionsOBD-II Compliant
SymptomsCuts Out, Misfire
OccursUnder Load, on Accel
Misc.Coil Near Plug!

Trouble Codes

P0336CKP Sensor 1 Circuit Intermittent Signal
Message Closed w/FIX

car Vehicle Data

1999 GMC C6500

VIN 1GDJ7H1D8X
Engine7.4 L / 8 cyl
DeliveryFI
EmissionsOBD-II Compliant
SymptomsCuts Out, Misfire
OccursUnder Load, on Accel
Misc.Coil Near Plug!

Trouble Codes

P0336CKP Sensor 1 Circuit Intermittent Signal