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1991 Ford F-150 Custom 4.9L Surge
Posted to Ford Driveability on 9/12/2002 9 Replies

Hello I have a91 ford f150 that has a surge at 40 mph under little throttle. I had found the injectors to be restricted. Cleaned injectors but still have the problem. I have checked the fuel pressure and it 49psi and timing is 10 degrees. The O2 looks good goi...

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  Related Documents & Media  1991 Ford F-150 Custom

 
Message Closed w/FIX

car Vehicle Data

1991 Ford F-150 Custom

VIN 2FTDF15Y6M
Engine4.9 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / port fuel
SymptomsSurge
Occurs40Mph Underlight Throttle
Message Closed w/FIX

car Vehicle Data

1991 Ford F-150 Custom

VIN 2FTDF15Y6M
Engine4.9 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / port fuel
SymptomsSurge
Occurs40Mph Underlight Throttle