5.4 with P0401
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Junior User
Joined: Jul 2004
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5.4 with P0401
Hey guys
i have been reading alot about the 4.6 with a p0401 code but cant seem to find much on the 5.4. I have a 99 5.4 with 130,000 on it and it just recently threw the p0401 code so i cleaned the ports on the throttle body as well as the ports from the exhaust manifold, cleared the code and it keeps coming back. A lot of people say that the problem is clogged ports and that the EGR vavle rarely ever goes bad but is it possible that the DPFE is bad, if so is there any way to check it before i buy a new one it's only about $50 but i would rather not spend it if i didnt' have to. Another thing while i was taking the TB off i dropped a bolt down underneath the intake manifold does anybody have any words of wisdom on how to retreive the lost bolt. Is the p0401 code as common on the 5.4 asd it is on the 4.6?
Thanks in advance for all the help
Smits03
i have been reading alot about the 4.6 with a p0401 code but cant seem to find much on the 5.4. I have a 99 5.4 with 130,000 on it and it just recently threw the p0401 code so i cleaned the ports on the throttle body as well as the ports from the exhaust manifold, cleared the code and it keeps coming back. A lot of people say that the problem is clogged ports and that the EGR vavle rarely ever goes bad but is it possible that the DPFE is bad, if so is there any way to check it before i buy a new one it's only about $50 but i would rather not spend it if i didnt' have to. Another thing while i was taking the TB off i dropped a bolt down underneath the intake manifold does anybody have any words of wisdom on how to retreive the lost bolt. Is the p0401 code as common on the 5.4 asd it is on the 4.6?
Thanks in advance for all the help
Smits03
