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2001 ford explorer sport Fault code p0401 insufficent flow detected keeps coming up you have replaced the EGR valve did not hold vacuum and the vacuum regulator you also took off the throttle body?
Wiki User
∙ 15y ago
lol. went through a lot with this one, huh? how about your dpfe sensor? did you replace it? It would cause all of that. Did you thoughougly clean out your egr passageways inside the throttle body? Did you check for clogged hoses (both the red and green facory hoses tend to get clogs in those 90 degree turns they make to navigate the engine parts)
Good luck, sounds like you know what you are doing, though.
mb
Wiki User
∙ 15y ago
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2001 ford explorer sport Fault code p0401 insufficent flow detected keeps coming up you have replaced the EGR valve did not hold vacume and the vacume regulator you also took off the throttle body?
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