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The codes were PO171 and PO172. Bank 1 & 2 run too lean and then too rich.

I'm very sad to say, I did it, but it did not fix my issue. Any other suggestions?

It is so funny that you say that. I have always talked nice to her, got defensive if anyone said anything bad about her, ya know. Yesterday, I called her a you know what and then just about every other word in the book too, I was so furious yesterday. As if there wasn't enough crap going on...

Wow...that's awesome. Thank you so much. I just hope that this finally solves the problem, I love my truck and that's why I have kept her, but I'm telling you, the last week or so...I have learned to HATE her! :)

I have the V6 OHV.

Thank you so much. I am going to try that as soon as I get home from work tonight. Also, I really appreciate the detailed description, because I would have had no idea where that was....lol....I am just a girl...haha. Thanks again and keep your fingers crossed for me.

I have a 1999 Explorer with 200000 + miles on it. I just had the head gasket and heads replaced. The check engine light was still on and the idol was rough, had the codes read, stated bank 1 & 2 were running too lean. I changed the mass air flow sensor. It fixed the rough idol but now it...