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1999 GMC Yukon Denali 5.7L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
Posted to GM Driveability on 9/24/2004 13 Replies

truck has continuos missfire changed injector, motorvac, gm top engine clener no improvment!!!!!!!!

13 Replies Received (View Replies)

  Related Documents & Media  1999 GMC Yukon Denali

 
Message Closed w/FIX

car Vehicle Data

1999 GMC Yukon Denali

VIN 1GKEK13R5X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0306Cylinder 6 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 GMC Yukon Denali

VIN 1GKEK13R5X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

P0306Cylinder 6 Misfire Detected