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2001 Ford Explorer Sport 4.0L Poor Idle Quality, Misfire, MIL Lamp on
Posted to Ford Driveability on 8/13/2004 7 Replies

Need some help on this one. Truck came in the shop with check engine light on, and a low idle. I cleaned the MAF with no change. The LTfuel trim is -18%, but the STfuel trim is +3%. I also have a small backfire through the [...] cylinder leak down test was [.....

7 Replies Received (View Replies)

  Related Documents & Media  2001 Ford Explorer Sport

 
Message Closed w/FIX

car Vehicle Data

2001 Ford Explorer Sport

VIN 1FMYU60E41
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

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

car Vehicle Data

2001 Ford Explorer Sport

VIN 1FMYU60E41
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

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