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Thread: P.O. 420 Code
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post #8 of (permalink) Old 10-04-2010, 10:07 AM
Will mpg
Not justice...Punishment
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Location: Brownsville, TN U.S.A.
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Before you get to doing a tune you might want to look at the cat for physical damage or discoloration. A lot of shops can also test o2 sensors pretty cheap.

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