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11-11-2007, 01:09 PM
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1
RazBarlow
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Join Date: Oct 2007
Posts: 17
Country: United States
Fuelly Page
Just popped a code on the Scangauge
Today my check engine light just came back on and this time I caught it and didn't press clear. It says PO401 , what does that mean ? Is it something big ? What do I need to check out ? It has ran for over 40,000 miles with it on before.
Thanks,
Raz
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11-11-2007, 01:12 PM
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GasSavers_Red
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Join Date: Nov 2006
Posts: 513
Country: United States
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PO401 means low EGR flow. So your EGR valve probably needs a cleaning or replacement
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11-12-2007, 02:53 PM
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VetteOwner
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Join Date: Mar 2007
Posts: 1,546
Country: United States
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(take it off) solves that problem!
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