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1990 Chevrolet S10 Blazer 4.3L Poor Idle Quality, Hesitation, Surge, Stall
Posted to GM Driveability on 12/25/2006 41 Replies

This vehicle has intermitant symtoms. About 60% of the time it will run poor,bog on accelleration+lose power on hills. Idle fluctuates and almost stalls. Besides the new cat and o2 sensor from another shop we have replaced throttle body with a rebuilt unit and...

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car Vehicle Data

1990 Chevrolet S10 Blazer

VIN 1GNCT1823L
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Hesitation, Surge, Stall
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

1990 Chevrolet S10 Blazer

VIN 1GNCT1823L
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Hesitation, Surge, Stall
OccursIntermittently