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1990 Chevrolet C1500 Cheyenne 5.0L Poor Idle Quality, Cuts out, Misfire
Posted to GM Driveability on 1/19/1998

I have two of these with these simptoms when cold mostly after sitting overnight 30-40 deg. They run like crap untill you clear them out then they run ok the rest of the day even after sitting Kind of like they are flooded Everything looks OK on scan tool the ...

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car Vehicle Data

1990 Chevrolet C1500 Cheyenne

VIN 1GCDC14H4L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Throttle Body F. I.
EmissionsOBD1
SymptomsPoor Idle Quality, Cuts Out, Misfire
OccursCold, Intermittently
Misc.Pick Up
Message Closed w/FIX

car Vehicle Data

1990 Chevrolet C1500 Cheyenne

VIN 1GCDC14H4L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Throttle Body F. I.
EmissionsOBD1
SymptomsPoor Idle Quality, Cuts Out, Misfire
OccursCold, Intermittently
Misc.Pick Up