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1999 Chevrolet Tahoe LS 5.7L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 5/6/2006 16 Replies

Engine misfires at idle does not misfire [...] rpm. fuel pressure is below spec. , but pump was previously replaced. Compression checks out ok at all cyls. Removed the egr cleaned the pintle and passage. The #3 cyl acted up during an injector balance test. But...

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  Related Documents & Media  1999 Chevrolet Tahoe LS

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Tahoe LS

VIN 1GNEK13R7X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected
P0304Cylinder 4 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Tahoe LS

VIN 1GNEK13R7X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle

Trouble Codes

P0300Multiple Misfire Detected
P0304Cylinder 4 Misfire Detected