
1999 Ford F-150 4.2L MIL Lamp on
Hi guys' I have this 99 f150 that seems to be running lean only for the cust.. It has been in twice for 171 & 174 codes for lean condition. I have cleaned the MAF and checked all the basics. When I drive it, all seems good,but when the cust gets it back, these...
FIX posted 4/8/2004
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Message Closed w/FIX
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VIN | 1FTZX172OX |
Engine | 4.2 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 F-150
VIN | 1FTZX172OX |
Engine | 4.2 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) |