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1989 Chevrolet C1500 Cheyenne 4.3L Poor Idle Quality
This truck had a realy slow idle after warming up,the iac was checked and appeared to be stuck,replaced the iac with a new [...] idle is fine with cold engine,but drops off to around 540 with hot [...] shows iac count to be correct at cold [...] iac counts dro...
FIX posted 1/2/2001
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Message Closed w/FIX
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| VIN | 1GCDC14Z5K |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US FED Emissions |
| Symptoms | Poor Idle Quality |
| Occurs | Hot, Idle |
Message Closed w/FIX
Vehicle Data
1989 Chevrolet C1500 Cheyenne
| VIN | 1GCDC14Z5K |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US FED Emissions |
| Symptoms | Poor Idle Quality |
| Occurs | Hot, Idle |
Video