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- - Cat efficiency code??? (https://www.fordforum.com/forum/ford-contour-33/cat-efficiency-code-14058/)

dannydoo

Aug 21, 2008 03:40 AM

Cat efficiency code???

I got a code about the cat efficiency..whats that mean?

I got a bad idle problem that hunts up/down and sounds like a miss at under 400rpms.
But when it revs a little it straightens right out

Think its the cat>?

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