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2000 Chevrolet C3500 7.4L Poor Idle Quality, Misfire
Posted to GM Driveability on 4/10/2012 11 Replies

Vehicle came in rough idle. No CEL on. Sold tune up (76k miles) due to good fuel [...] running rough. Checked Regulator snap throttle, pressure increase and i pulled vacuum on it and it held. installed new EGR valve bc the original did not respond to scanner c...

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Message Closed w/FIX

car Vehicle Data

2000 Chevrolet C3500

VIN 1GBKC34J0Y
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways, Idle
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet C3500

VIN 1GBKC34J0Y
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways, Idle