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1999 Chevrolet Express 3500 5.7L Poor Idle Quality, Cuts out, Backfires
Posted to GM Driveability on 11/14/2011 22 Replies

Got a headache here. Van came in for rough run and high idle. Found a list on dtcs. PIDS in computer were all over the place. Inspected the PCM and found that it was cracked wide open and severely corroded from brake fluid leaking on it. Replaced PCM (OE Part)...

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  Related Documents & Media  1999 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GCHG39R0X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Backfires
OccursUnder Load
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GCHG39R0X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Cuts Out, Backfires
OccursUnder Load