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1991 Ford E-150 Econoline Custom 4.9L Poor Idle Quality
van came in with a rough idle [...] through and check compression, alternator, primary ign., and secondary, cylinder bal, and emmision. i found the secondary voltage very high (around 12 to 15 kv at idle) and the emmision leaned towards lean miss fire. i check...
FIX posted 8/22/1998
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| VIN | 1FTDE14Y7M |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Emissions | obd1 |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1991 Ford E-150 Econoline Custom
| VIN | 1FTDE14Y7M |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / efi |
| Emissions | obd1 |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
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