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1998 Ford Explorer Eddie Bauer 4.0L MIL Lamp on
Posted to Ford Driveability on 9/9/2010 13 Replies

98 Explorer with ohc 4.0. Sets p0171 and 174. Already replaced intake gaskets, MAF and downstream 02 sensors. Smoke tested and found no leaks. Monitored fuel trims both LT +25 both ST +3 to +6. With increase in RPM the LT drops to 0 immediatly and the ST climb...

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Message Closed w/Summary

car Vehicle Data

1998 Ford Explorer Eddie Bauer

VIN 1FMZU34E4W
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

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

car Vehicle Data

1998 Ford Explorer Eddie Bauer

VIN 1FMZU34E4W
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

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