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P0405


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stickr1
New User

Jun 28, 2009, 7:50 AM

Post #1 of 9 (5356 views)
post icon P0405 Sign In

I have a 2002 F-150 40000mi the check engine came on scanner showed a P0405 code any idea's of what I can check first


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 28, 2009, 9:41 AM

Post #2 of 9 (5339 views)
Re: P0405 Sign In

What engine do you have?



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



stickr1
New User

Jun 28, 2009, 10:36 AM

Post #3 of 9 (5332 views)
Re: P0405 Sign In

it's a 4.6L V8 Lariat


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 28, 2009, 10:57 AM

Post #4 of 9 (5328 views)
Re: P0405 Sign In

The code is for low voltage from the EGR position sensor.

The flow chart for diagnosing this code consists of 120 tests although all of them do not have to be run.

The file is too big to post here but i'll try to upload it as an attachment.


I had to break it into 3 parts






~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Jun 28, 2009, 11:09 AM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 28, 2009, 11:10 AM

Post #5 of 9 (5324 views)
Re: P0405 Sign In





~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 28, 2009, 11:12 AM

Post #6 of 9 (5321 views)
Re: P0405 Sign In





~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



stickr1
New User

Jun 28, 2009, 11:43 AM

Post #7 of 9 (5316 views)
Re: P0405 Sign In

thanks for all the info I will use this to attempt to fix the problem


Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Jun 29, 2009, 12:42 PM

Post #8 of 9 (5302 views)
Re: P0405 Sign In

And they wonder why we charge so much for diagnostics? Wink But doesn't that gadget tell you what's wrong?
Loren
SW Washington


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 29, 2009, 12:48 PM

Post #9 of 9 (5299 views)
Re: P0405 Sign In

LOL, Yeah, hear that all the time.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.







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