
1999 Ford Explorer XL 4.0L MIL Lamp on
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 ...
FIX posted 2/9/2007
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Message Closed w/FIX
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VIN | 1FMZU32XUB |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
1999 Ford Explorer XL
VIN | 1FMZU32XUB |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |