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International Automotive Technicians Network
1989 Chevrolet 1500 5.0L Misfire
Posted to GM Driveability on 10/1/2000

Posting this for another tech. Recent tune up performed and ran good, then started to buck and misfire under load several weeks later. Plug wires were not replaced with tune up, apparantly appeared okay. Any other suggestions helpful. Thanks in advance.

 
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car Vehicle Data

1989 Chevrolet 1500

VIN 1GCDA14H7K
Engine5.0 L / 8 cyl
SymptomsMisfire
OccursUnder Load
Message Closed

car Vehicle Data

1989 Chevrolet 1500

VIN 1GCDA14H7K
Engine5.0 L / 8 cyl
SymptomsMisfire
OccursUnder Load