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1989 Chevrolet T10 4.3L Poor Idle Quality, MIL Lamp on
Posted to GM Driveability on 5/24/1998

Help me this truck has a rough run on first start cold for [...] 1 min. Had the master tech on the first thing and found the map sensor reading 0in of vaccum when it was rough and start to work fine when it clears out. So I change the map the truck works fine ...

 
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet T10

VIN 1GNCT8Z9K0
Engine4.3 L / 6 cyl
EmissionsCA
SymptomsPoor Idle Quality, MIL Lamp On
OccursCold
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet T10

VIN 1GNCT8Z9K0
Engine4.3 L / 6 cyl
EmissionsCA
SymptomsPoor Idle Quality, MIL Lamp On
OccursCold