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1979 Chev/GMC Truck 2WD 250CID Excessive Emissions, Poor Idle Quality
We need help from experienced Chevy techs (older). We have checked this truck several times in the last six mos. It's problem is long cranking time due to rich mixture after a hot soak (10 min.). The vacuum-operated heat riser valve is working properly (efe sy...
FIX posted 8/11/1998
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Message Closed w/FIX
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| VIN | CCD149F420 |
| Engine | 250 / 6 cyl |
| Emissions | US FED |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Always, After a Hot Soak |
| Misc. | Non Cal |
Message Closed w/FIX
Vehicle Data
1979 Chev/GMC Truck 2WD
| VIN | CCD149F420 |
| Engine | 250 / 6 cyl |
| Emissions | US FED |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Always, After a Hot Soak |
| Misc. | Non Cal |
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