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1990 Ford F-150 Custom 4.9L RPM Flare on Shifts
Posted to Ford Driveability on 2/26/2007 10 Replies

This is my personal truck and it is driving me crazy. The problem is that the rpms flare up to 2500 and stay there for a few seconds when you let of the gas and push in the clutch to shift. This truck is not stock, but I doubt any of the mods are causing this ...

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  Related Documents & Media  1990 Ford F-150 Custom

 
Message Closed w/Summary

car Vehicle Data

1990 Ford F-150 Custom

VIN 1FTDF15Y6L
Engine4.9 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / PFI
SymptomsRPM Flare on Shifts
OccursDuring Shifts
Message Closed w/Summary

car Vehicle Data

1990 Ford F-150 Custom

VIN 1FTDF15Y6L
Engine4.9 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / PFI
SymptomsRPM Flare on Shifts
OccursDuring Shifts