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International Automotive Technicians Network
1991 Chevrolet S10 Blazer 4.3L Poor Idle Quality
Posted to GM Driveability on 4/10/2003 15 Replies

I need help from some saavy GM techs out there. We have a 91 blazer that runs rough on startup when cold. Sometimes it does it after it sits for a little while but it's still warm. We can't find any codes stored. You have to gun the engine sometimes for it to ...

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car Vehicle Data

1991 Chevrolet S10 Blazer

VIN 1G8ED18J1G
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
SymptomsPoor Idle Quality
OccursCold
Message Closed

car Vehicle Data

1991 Chevrolet S10 Blazer

VIN 1G8ED18J1G
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
SymptomsPoor Idle Quality
OccursCold