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1991 Chevrolet S10 Blazer Tahoe LT 4.3L Poor Idle Quality, Stall
Posted to GM Driveability on 9/22/2014 20 Replies

Here's another one for the books. This blazer was towed in. The engine only runs at 1200rpm and above and no codes were set. Inspection showed the TBI was a mess and the IAC valve was worn and old. I rebuilt the throttle body and replaced the IAC valve. Instal...

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car Vehicle Data

1991 Chevrolet S10 Blazer Tahoe LT

VIN 1GNCT18Z5M
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / TBI
EmissionsUS FED.
SymptomsPoor Idle Quality, Stall
OccursAlways
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet S10 Blazer Tahoe LT

VIN 1GNCT18Z5M
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection / TBI
EmissionsUS FED.
SymptomsPoor Idle Quality, Stall
OccursAlways