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2002 Ford Explorer Sport Trac XL 4.0L MIL Lamp on
Posted to Ford Driveability on 9/7/2007 5 Replies

Here is my question... Fuel pump in this returnless system is always commanded at 100% even when its already running with too much pressure and rich. I know the pump module is bad but Im not sure that would explane why the pump is comanded 100% on all the time...

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  Related Documents & Media  2002 Ford Explorer Sport Trac XL

 
Message Closed w/FIX

car Vehicle Data

2002 Ford Explorer Sport Trac XL

VIN 1FMZU77E12
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2002 Ford Explorer Sport Trac XL

VIN 1FMZU77E12
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
P0175Fuel System Too Lean (Bank 2)