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1991 Chevrolet Astro 4.3L Stall, idle increase, knock
Hi folks, got one that has me stumped. 1991 astro, 4.3. Van came into shop with high idle comlpaint. Upon first inspection found that the TB was covered in carbon deposits, that the idle air passege was badly coked, EGR and PCV passeges pluged up. We also foun...
FIX posted 3/26/2005
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Related Documents & Media | VIN | 1GN87HGZ2M |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / tbi |
| Emissions | fed |
| Symptoms | Stall, Idle Increase, Knock |
| Occurs | Always, Cold, Hot, Idle |
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Vehicle Data
1991 Chevrolet Astro
| VIN | 1GN87HGZ2M |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / tbi |
| Emissions | fed |
| Symptoms | Stall, Idle Increase, Knock |
| Occurs | Always, Cold, Hot, Idle |
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