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1991 Chevrolet Astro 4.3L MIL Lamp on, High Idle
Hello Fellow Techs, This van is giving me a serious headache due to having a very hard time locating the problem. All indications suggest a large vacuum leak , however I cannot seem to locate a thing. I have pinched off every vacuum hose with no change...
FIX posted 3/19/1999
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Message Closed w/FIX
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| VIN | 1GCCM15Z8M |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | MIL Lamp on, High Idle |
| Occurs | Always |
Trouble Codes
| 35 | IAC Problem |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet Astro
| VIN | 1GCCM15Z8M |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 |
| Symptoms | MIL Lamp on, High Idle |
| Occurs | Always |
Trouble Codes
| 35 | IAC Problem |
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