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Old 10-02-2012, 07:16 PM   #14
J0EC00L
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Also check all your vacuum lines. IAC is a good possibility. Clean the throttle body and IAC. Also, I second the Bosch O2's, my focus does not like them. I replaced 3 1 year before I went to a different brand. I had a similar issue with poor idle and CEL. I cant remember the code though. Mine was a vacuum leak.
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