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1988 Chevrolet C1500 Cheyenne 5.7L Poor Idle Quality
After I replaced these parts the vehicle will start running
high in gear. The TBI gasket is new as well as a IAC motor.
When you idle in gear the IAC counts go up to 145 and the
O2 gets around 100. The frames are like this:
FIX posted 10/1/1998
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Message Closed w/FIX
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| VIN | IGCDC14K6J |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI Injection |
| Emissions | OBD I |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1988 Chevrolet C1500 Cheyenne
| VIN | IGCDC14K6J |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI Injection |
| Emissions | OBD I |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
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