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1999 Chevrolet K1500 Suburban 5.7L Poor Idle Quality, Misfire
Posted to GM Driveability on 2/26/2008 15 Replies

I am pulling my hair out.

Customer said another shop installed an dist. to fix a no start conditon, since then, the vechicle has a rough run and misfires on 3 and 5. I installed a fuel pump to cure the lean missfire on 3 and 5, then the miss moved to 6 and 7,...

15 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet K1500 Suburban

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet K1500 Suburban

VIN 3GNFK16R2X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / cpfi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0305Cylinder 5 Misfire Detected
P0307Cylinder 7 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet K1500 Suburban

VIN 3GNFK16R2X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / cpfi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways

Trouble Codes

P0300Multiple Misfire Detected
P0305Cylinder 5 Misfire Detected
P0307Cylinder 7 Misfire Detected