Now what? 98 XLT V8 4.6L
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10-01-2010, 09:24 PM
Join Date: Oct 2007
Location: Red Lion, PA
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Now what? 98 XLT V8 4.6L
I'm stumped on this one and appreciate any suggestions.
Just had it in for the State inspections. Ofcourse engine light comes on and shows P0401. Had EGR checked & it's fine. The EGR valve is clean. Had the DPFE checked & it's clean. Had throttle body checked. It had carbon build up & is cleaned. The code cleared and passed emissions.
Seven miles later, check engine reappears with P0401. Now what??? Any suggestions?
Just had it in for the State inspections. Ofcourse engine light comes on and shows P0401. Had EGR checked & it's fine. The EGR valve is clean. Had the DPFE checked & it's clean. Had throttle body checked. It had carbon build up & is cleaned. The code cleared and passed emissions.
Seven miles later, check engine reappears with P0401. Now what??? Any suggestions?
