
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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Message Closed w/Summary
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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 |
Message Closed w/Summary
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 |