DTC PO 478 and 470 back pressure codes. Is there an easy fix? Have a smog ck tomorrow
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Ask Your Question2002 Ford F-250 Super Duty
Question: I pulled DTCs PO478 and PO 470. Exhaust back pressure codes. Is there an easy fi
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Answer #1
your.mechanic November 29, 2012, 11:41
Masterpossible EGR passages are clogged.
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Chinookie, November 29, 2012, 12:55ReplyRookieI didn't mention it's a 7.3 Diesel
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Answer #2
globalhelper November 29, 2012, 12:37Mastercould be egr valve or dpfe valve if applicable
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Chinookie, November 29, 2012, 15:18ReplyRookieOh, It's a 7.3 diesel
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