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1999 Chevrolet K1500 LS 5.7L Poor Idle Quality, Misfire, Poor Fuel Economy
Posted to GM Driveability on 6/7/2007 10 Replies

The last thing I changed was to two injectors cause #8 & 4 were not spray good but it seem to get worse .

10 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet K1500 LS

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet K1500 LS

VIN 1GCEK19R5X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Vortec
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, Poor Fuel Economy
OccursAlways
Misc.4X4 Z71

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet K1500 LS

VIN 1GCEK19R5X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Vortec
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, Poor Fuel Economy
OccursAlways
Misc.4X4 Z71

Trouble Codes

P0300Multiple Misfire Detected