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2004 GMC Sierra 1500 4.8L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 8/18/2011 4 Replies

This vehicle is back again with a leaking #3 injector on hot soak. There is no problem with the passenger side injectors. Why does #3 injector keep getting affected? The #3 injector is closest to the fuel line that comes from the fuel tank. Is dirt coming from...

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  Related Documents & Media  2004 GMC Sierra 1500

 
Message Closed w/FIX

car Vehicle Data

2004 GMC Sierra 1500

VIN 2GTEK19V64
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAfter a Hot Soak

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2004 GMC Sierra 1500

VIN 2GTEK19V64
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAfter a Hot Soak

Trouble Codes

P0300Multiple Misfire Detected