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melonhead

P0420 Code

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I'm trying to figure out what I need to do to fix this code. I think I've figured out that I need to replace the Bank 1 Cat, but I don't know how many cats or if there are multiple cats on that bank. A website I go to for parts lists 3 different styles...2 manifold, and one that looks like it attaches to a pipe flange or something.

 

I really could use an assist here. Are there any exhaust schematics for the 2007 Ford Escape XLT 3.0 V6?

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Greetings Melonhead,

Have you had your local trusted shop pull the codes for you? I ran into the same problem and replaced the O2 sensor with negative results. My shop pulled the data using a very expensive MAC Tool scanner and they said it was the MAF (Mass Air Flow) sensor. I tried three of them (re-manufactured) and returned all of them. I found a Delphi new MAF Sensor for $100.00 and that fixed my problem. Ford Escapes are sensitive cars when it comes to determining what is the real problem.

 

Hope this helps someone.

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