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1992 Chevrolet Astro 4.3L Excessive Emissions
Van came in failing HC on IM240 test. Found throttle sticking and EGR valve open all the time. Cleaned the throttle body, now EGR is closed at idle, but opens fully when throttle is open??? Looked good on our machine, but failed HC AND CO. Scanned computer, te...
FIX posted 3/1/2002
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Message Closed w/FIX
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| VIN | 1GCDM15Z2N |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1992 Chevrolet Astro
| VIN | 1GCDM15Z2N |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Excessive Emissions |
| Occurs | Always |
4 Replies Received
4 Replies Received
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