
2001 Ford Explorer Sport 4.0L Poor Idle Quality, Misfire, MIL Lamp on
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 [.....
FIX posted 8/15/2004
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VIN | 1FMYU60E41 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always, Idle |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |
P0175 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2001 Ford Explorer Sport
VIN | 1FMYU60E41 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always, Idle |
Trouble Codes
P0172 | Fuel System Too Rich (Bank 1) |
P0175 | Fuel System Too Lean (Bank 2) |