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1989 Chevrolet S10 Blazer Sport 2.8L Poor Idle Quality, Hesitation, Stall,
Posted to GM Driveability on 2/8/2001

I have spent a fair amount of time checking for mechanical problems I.E.... fuel pressure, back pressure and the like I have went with a known good ECM and control module. This S-Blazer runs perfect with my snap on scanner attached in code and data mode. In ro...

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car Vehicle Data

1989 Chevrolet S10 Blazer Sport

VIN 1GNCT18RZK
Engine2.8 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / tbi
SymptomsPoor Idle Quality, Hesitation, Stall,
OccursAlways, Runs Perfect With Snap on Scanner in Code and Data Mode Barely Runs in Road Test
Message Closed w/FIX

car Vehicle Data

1989 Chevrolet S10 Blazer Sport

VIN 1GNCT18RZK
Engine2.8 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / tbi
SymptomsPoor Idle Quality, Hesitation, Stall,
OccursAlways, Runs Perfect With Snap on Scanner in Code and Data Mode Barely Runs in Road Test