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1999 Chevrolet K1500 Suburban 5.7L Misfire
Posted to GM Driveability on 5/3/2007 12 Replies

This 99 Suburban came in wanting plugs to solve a missfire at idle. i insatalled the plugs and noticed number four had some build up on it. but it did not solve missfire. # four cylinder misses at idle only. It has great acceleration and runs great off idle. I...

Summary posted 6/5/2007

12 Replies Received (View Replies)

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car Vehicle Data

1999 Chevrolet K1500 Suburban

VIN 1GBFK16RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / multiport with poppet valves
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle

Trouble Codes

P0304Cylinder 4 Misfire Detected