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1998 Chevrolet S10 LS 4.3L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 12/28/2005 13 Replies

thank you in advance. vehicle came to us with a miss at idle on #4 cylinder occasionally on #6. off idle the miss goes away. short term fuel trim seems to be taking away fuel neg 9 to neg 21. that threw out theory for vacuum leak but still tested for vac leak ...

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  Related Documents & Media  1998 Chevrolet S10 LS

 
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet S10 LS

VIN 1GCDT19X5W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CSFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0304Cylinder 4 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet S10 LS

VIN 1GCDT19X5W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CSFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0304Cylinder 4 Misfire Detected