Eschrichtius
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- Oct 31, 2011
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- 31
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Just an update, still no CEL code. Everything's working great and MPG is back where it supposed to be 
Can you help me with OBDII code: P0430 ?
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kingbilly68
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- May 29, 2015
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Bringing this thread back instead of starting a new one. My wife's 08 Yukon threw a check engine light yesterday. Scanned it and got a p0430 code. Is the O2 sensor still the place to start? Or should I plan on a cat? Thanks.
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