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1999 Ford Explorer XL 4.0L MIL Lamp on
Posted to Ford Driveability on 1/26/2007 24 Replies

hey guys, the fuel trims are way off on this vehicle. the baro is reading good at 157hz. no vacuum leaks tried carb cleaner and smoke tester. also i was looking at the fuel trims while i was testing and they did not [...] term fuel trim is at 21 to [...] term ...

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  Related Documents & Media  1999 Ford Explorer XL

 
Message Closed w/FIX

car Vehicle Data

1999 Ford Explorer XL

VIN 1FMZU32XUB
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

1999 Ford Explorer XL

VIN 1FMZU32XUB
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)