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post #36 of (permalink) Old 10-15-2012
Grimace427's Avatar
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Originally Posted by strany View Post
Originally it was throwing codes p0152 and p0420. Now it is throwing p0059

P0152 and P0059 refer to the front O2 sensor wiring and circuitry. Removing the extension harnesses would be a very good idea.

P0420 is catalyst efficiency referring to the lack of cats and is not a wiring issue.
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