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1994 Chevrolet Astro CL 4.3L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
I know that there are all kinds of problems with these cmfi units, but what is bothering me is the low vacuum at idle. Is this causing a incorrect reading for the map sensor. I have seen the egr vakves act up but this one is showing 0% position and it idles re...
FIX posted 10/18/2005
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Message Closed w/FIX
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14 Replies Received
14 Replies Received
Related Documents & Media | VIN | 1GNEL19W4R |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / cmfi |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
| Occurs | Always, Idle |
Message Closed w/FIX
Vehicle Data
1994 Chevrolet Astro CL
| VIN | 1GNEL19W4R |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / cmfi |
| Symptoms | Excessive Emissions, Poor Idle Quality, Poor Fuel Economy |
| Occurs | Always, Idle |
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