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1988 Ford F-150 Custom 4.9L Excessive Emissions, Poor Idle Quality, Surge, Stall
Posted to Ford Driveability on 12/23/2014 16 Replies

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...

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Message Closed w/Summary

car Vehicle Data

1988 Ford F-150 Custom

VIN 1FTDF15YBJ
Engine4.9 L / 6 cyl / GAS
Trans4-speed Standard
DeliveryFuel Injection / EFI
EmissionsCA EMISSIONS
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Stall
OccursAlways, Surging Occurs on Every Start Up Cold or Hot and After a Few Seconds Surging Clears Out
Message Closed w/Summary

car Vehicle Data

1988 Ford F-150 Custom

VIN 1FTDF15YBJ
Engine4.9 L / 6 cyl / GAS
Trans4-speed Standard
DeliveryFuel Injection / EFI
EmissionsCA EMISSIONS
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Stall
OccursAlways, Surging Occurs on Every Start Up Cold or Hot and After a Few Seconds Surging Clears Out