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1991 Chevrolet S10 4.3L Excessive Emissions, Poor Idle Quality, MIL Lamp on
Posted to GM Driveability on 9/25/2003 4 Replies

this guy calls about this truck says it wont idle right ,its real rough

first thing i think is motor mounts 4.3 are notorius about this

but seems he installed this used engine with 65000 miles and now he has this idle problem. it has all new parts and senso...

4 Replies Received (View Replies)

  Related Documents & Media  1991 Chevrolet S10

 
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet S10

VIN 1GCCT1426M
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsobd1
SymptomsExcessive Emissions, Poor Idle Quality, MIL Lamp On
OccursIdle
Misc.Has Only 65000 Miles on Engine

Trouble Codes

45rich exhaust
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet S10

VIN 1GCCT1426M
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsobd1
SymptomsExcessive Emissions, Poor Idle Quality, MIL Lamp On
OccursIdle
Misc.Has Only 65000 Miles on Engine

Trouble Codes

45rich exhaust