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1987 Chevrolet V10 Custom Deluxe 5.0L Poor Idle Quality
Posted to GM Driveability on 2/17/2000 1 Reply

I have looked through the Archives for this one guys and it doesn't seem to be in there. I have this old pickup that is running lean all the time. O2 voltage is fixed at around .430 to .455. Inducing a lean condition or adding propane will not affect a cha...

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  Related Documents & Media  1987 Chevrolet V10 Custom Deluxe

 
Message Closed w/FIX

car Vehicle Data

1987 Chevrolet V10 Custom Deluxe

VIN 1GCEV14H9H
Engine5.0 L / 8 cyl / GAS
Trans4-speed Standard
DeliveryFI / TBI
EmissionsFED
SymptomsPoor Idle Quality
OccursAlways
Misc.Plain Jane No Power or A/C

Trouble Codes

43EST Problem
Message Closed w/FIX

car Vehicle Data

1987 Chevrolet V10 Custom Deluxe

VIN 1GCEV14H9H
Engine5.0 L / 8 cyl / GAS
Trans4-speed Standard
DeliveryFI / TBI
EmissionsFED
SymptomsPoor Idle Quality
OccursAlways
Misc.Plain Jane No Power or A/C

Trouble Codes

43EST Problem