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1999 Chevrolet Tahoe LT 5.7L Poor Idle Quality, Misfire
Posted to GM Driveability on 12/29/2010 30 Replies

Cust came in with complaint of running rough, and having to keep their foot on the gas to keep vehicle running. codes where p0300, scanned misfire data and found #5 and #7 with multiple counts. Pulled plugs and both looked as though they were running very rich...

30 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Tahoe LT

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Tahoe LT

VIN 1GNEC13RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Tahoe LT

VIN 1GNEC13RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected