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2007 Chevrolet Tahoe LTZ 5.3L Misfire, MIL Lamp on
Posted to GM Driveability on 8/8/2012 6 Replies

Thanks ahead of time got this truck shows a p0121 code but i find cylinder number two and seven misfiring. I swap coils and put plugs in still the same. Check injector balance checked good checked compresion checked good. Sprayed carb cleaner around intake and...

6 Replies Received (View Replies)

  Related Documents & Media  2007 Chevrolet Tahoe LTZ

 
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Tahoe LTZ

VIN 1GNFC13J07
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIdle

Trouble Codes

P0121Throttle Position Sensor Range/Performance
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Tahoe LTZ

VIN 1GNFC13J07
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / MPI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursIdle

Trouble Codes

P0121Throttle Position Sensor Range/Performance