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1999 Ford Explorer XLT 4.0L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, MIL Lamp on
Posted to Ford Driveability on 7/23/2011 25 Replies

I have a 1999 explorer with a p0171 and p0175. Engine runs rough and lacks power. I cleaned and swapped the MAF with a know good part, no change in the way the engine ran. Smoke tested, no leaks found other than some smoke from the EGR. Both front O2 sensors s...

25 Replies Received (View Replies)

  Related Documents & Media  1999 Ford Explorer XLT

 
Message Closed w/Summary

car Vehicle Data

1999 Ford Explorer XLT

VIN 1FMZU34E2X
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Cuts Out, Stall, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0175Fuel System Too Lean (Bank 2)
Message Closed w/Summary

car Vehicle Data

1999 Ford Explorer XLT

VIN 1FMZU34E2X
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Cuts Out, Stall, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0175Fuel System Too Lean (Bank 2)