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1988 Ford F-150 Custom 4.9L Excessive Emissions, Poor Idle Quality, Surge, Stall
This truck always surges at start-up regardless of engine temperature. Rpms go from 900 to 450 up and down for about 20 seconds and eventually clears out. After that the idle returns to around 750 rpm. I already set base idle speed according to the factory and...
Summary posted 1/8/2015
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16 Replies Received
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Related Documents & Media | VIN | 1FTDF15YBJ |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | Fuel Injection / EFI |
| Emissions | CA EMISSIONS |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Stall |
| Occurs | Always, Surging Occurs on Every Start Up Cold or Hot and After a Few Seconds Surging Clears Out |
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Vehicle Data
1988 Ford F-150 Custom
| VIN | 1FTDF15YBJ |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | Fuel Injection / EFI |
| Emissions | CA EMISSIONS |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Stall |
| Occurs | Always, Surging Occurs on Every Start Up Cold or Hot and After a Few Seconds Surging Clears Out |
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