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1989 GMC S15 Jimmy 4.3L Poor Idle Quality, Surge, Stall
Posted to GM Driveability on 10/5/2001 12 Replies

Hello,

This Jimmy searches for an idle and stalls mostly on cold start up and sometimes hot. No codes and sensors look ok. Runs fine under load. I already replaced iac motor, cleaned TB, ck for vac leaks and fuel pressure. All ok. The o2 seems to stay lean wh...

12 Replies Received (View Replies)

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car Vehicle Data

1989 GMC S15 Jimmy

VIN 1GKCT1824K
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
EmissionsOBDI
SymptomsPoor Idle Quality, Surge, Stall
OccursCold
Message Closed w/FIX

car Vehicle Data

1989 GMC S15 Jimmy

VIN 1GKCT1824K
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
EmissionsOBDI
SymptomsPoor Idle Quality, Surge, Stall
OccursCold