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1999 Chevrolet Tahoe LS 5.7L Poor Idle Quality, Hesitation, Misfire
Posted to GM Driveability on 3/5/2007 28 Replies

Cylinder 6 missfire, only while driving under light acceleration, heavy acceleration=no miss. Had spark at all cylinders but cap and rotor were corroded, replaced with new. Unchanged. Swapped cyl. 8 and 6 wires, unchanged. Checked plugs, Delco platinums only 6...

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  Related Documents & Media  1999 Chevrolet Tahoe LS

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Tahoe LS

VIN 1GNEK13R6X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Central SFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursAlways, on Accel
Misc.Long Block Replaced at 122,000

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Tahoe LS

VIN 1GNEK13R6X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Central SFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Misfire
OccursAlways, on Accel
Misc.Long Block Replaced at 122,000

Trouble Codes

P0300Multiple Misfire Detected