2004 ford taurus lean code?

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hotrod92rs

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2004 Ford Taurus, 3.0 v6, U code motor, OHV ( overhead valve ), rough idle, hesitation during acceleration sometimes, engines misses sometimes but no missfire code. it does show bank 1 and bank 2 lean codes. I have changed the fuel filter, cleaned the MAF like autozone said to. No difference, TPS is good, IAC is good, no vacuum leaks. Any Smart ideas
it also has poor fuel mileage
 
I have a 2000 Taurus, and the first thing I'd do is review Ford's service bulletin titles for a clue to your problem. Ford had a special bulletin out on "lean misfires" codes and how to troubleshoot them. I'll see if I can find it for you on the internet. Here's a good tech note to start with:

http://www.aa1car.com/library/ford_lean_codes.htm

http://www.edmunds.com/maintenance/MaintenanceServlet

http://www-odi.nhtsa.dot.gov/cars/problems/tsb/tsbsearch.cfm

http://www.mycarstats.com/
 
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