
1991 Ford Explorer XL 4.0L Low Power
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...
FIX posted 4/3/2004
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Message Closed w/FIX
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VIN | 1FMDU33343 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / efi |
Emissions | obd1 |
Symptoms | Low Power |
Occurs | Always |
Message Closed w/FIX
Vehicle Data
1991 Ford Explorer XL
VIN | 1FMDU33343 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / efi |
Emissions | obd1 |
Symptoms | Low Power |
Occurs | Always |