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1991 Ford Explorer XL 4.0L Low Power
Posted to Ford Driveability on 3/3/2004 16 Replies

Vehicle came in with 60 psi fuel pressure. Replaced regulator and fuel is now in spec. Engine will not rev in shop-goes to about 3000 and flattens out. On a test drive 2500 is max even downhill. I've checked [...] psi. Then took y pipe down-no better. Intake i...

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  Related Documents & Media  1991 Ford Explorer XL

 
Message Closed w/FIX

car Vehicle Data

1991 Ford Explorer XL

VIN 1FMDU33343
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / efi
Emissionsobd1
SymptomsLow Power
OccursAlways
Message Closed w/FIX

car Vehicle Data

1991 Ford Explorer XL

VIN 1FMDU33343
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / efi
Emissionsobd1
SymptomsLow Power
OccursAlways