1998 Ford F-150 XLT 4.6L MIL Lamp on
thanks in advance. truck in for poor acceleration, pinging under light load, MIL. Initially had P0171 and P0174, lean codes. MAF reading scewed so replace MAF and air filter. Pinging gone and power back to normal. cust returned w/MIL. Found only P0171, lean ba...
Summary posted 8/2/2010
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Vehicle Data1998 Ford F-150 XLT
Trouble Codes
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Message Closed w/Summary
Vehicle Data
1998 Ford F-150 XLT
VIN | 1FTZX18WNA |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Cruise, Idle |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |