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1990 GMC S15 Jimmy 4.3L Poor Idle Quality
engine usually starts and idle flares up correctly then moves down to correct speed. Sometimes for extended intervals starts and only goes to base idle. IAC counts are scattered from 80 at start up down to 0 at 1000 rpm.
FIX posted 8/27/1998
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Message Closed w/FIX
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| VIN | 1GKCT18Z1L |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality |
| Occurs | Intermittently |
Message Closed w/FIX
Vehicle Data
1990 GMC S15 Jimmy
| VIN | 1GKCT18Z1L |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality |
| Occurs | Intermittently |
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