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1993 Chevrolet C1500 Cheyenne 5.7L Poor Idle Quality, Surge
Posted to GM Driveability on 8/8/2002 5 Replies

This truck idles rough & surges on cold start up untill it goes into closed loop. i've checked timing,fuel pressure ok engine coolant temp reads correct. scanned no codes, map reading looks [...] MOD for bulletins none on this problem.

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car Vehicle Data

1993 Chevrolet C1500 Cheyenne

VIN 2GCEC19K7P
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsPoor Idle Quality, Surge
OccursCold, Idle
Message Closed

car Vehicle Data

1993 Chevrolet C1500 Cheyenne

VIN 2GCEC19K7P
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsPoor Idle Quality, Surge
OccursCold, Idle