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Premium Member
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How do you know it is not the MAF ? Those two codes are for a lean condition.

Have you unplugged the MAF and given it a test drive ?

Your symptoms were similar to mine when my first MAF went.


If you want to check your cats for being clogged, just unbolt them at the exhaust manifold, and put a spacer in there, do that there is about a 1/4 " air gap between the exhaust manifold and the flange of the cat. Take it on a quick test drive.
If it runs better that way, you know your cats are clogged.

This is what my Ford Dealer was going to do to check mine. I ended up replacing them myself (with a buddy).
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