1997 Ford Thunderbird codes

1997 FORD THUNDERBIRD
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DUCKINGWORK
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Engine Performance problem
1997 Ford Thunderbird 6 cyl Front Wheel Drive Automatic

codes out with bank 1 lean and bank2 lean
Jun 15, 2010 at 12:59 PM
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DOCFIXIT
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Hi
Codes P0171-P0174 if yes check fuel pressure,check for vacuum leak and EGR operation
Let me know
Thanks for donate
Jun 15, 2010 at 1:15 PM