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97 ford F250 truck P0171 and P0174 codes
Hey I am working on a 1997 ford F250 truck with 2 codes P0171 and P0174 Lean bank 1 and 2 I have used a smoke machine to check for any vacuum leaks none the 02 sensors are switching no misfires runs ok it idles fine fuel pressures are in specs the long and sho... Login to read more. 
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| Engine | 5.4 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
1997 Ford F-250 5.4L
| Engine | 5.4 L |
| Trans | 4-speed Automatic (Electronic) |
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