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post #1 of 1 (permalink) Old 10-18-11, 07:12 PM Thread Starter
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confused please help

i have a 96 couger with the 4.6 engine got 3 codes
P1443 evap purge valve fault
P0420 bank 1 cat efficiency below limit
P0430 bank 1 cat efficiency below limit
i have replaced both the o2 sensors after the cats ond no change thinking the cats are bad but want to make sure.
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