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Hi
I am new to this site. I posted my introduction on the new member forum.

I have a 2000 Taurus wagon with the DURATEC DOHC motor. Two codes came up during the scan.
P0171 SYSTEM TOO LEAN BANK ONE and P0174 SYSTEM TOO LEAN BANK TWO.
The car seems to "misfire" slightly while driving. Not when it is idling or while in gear at a stop. I was told that maybe the MAF sensor was dirty and needed cleaning. I used MAF sensor cleaner. I did not touch the wires fearing I may break them. I then cleared the codes. The same codes came back. I am assuming that the problem is not the MAF sensor since I do not get a code for the sensor itself. Could it be any other components such as EGR valve, etc? How about an air leak someplace and where to find it. Lew
 

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Off the title alone and before I even clicked to read this I said to myself...another 2000 tec gets added to the list :blink: :blink:
 
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