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stickr1
New User
Jun 28, 2009, 7:50 AM
Post #1 of 9
(6093 views)
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P0405
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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
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Hammer Time
Ultimate Carjunky
/ Moderator

Jun 28, 2009, 9:41 AM
Post #2 of 9
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What engine do you have? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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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stickr1
New User
Jun 28, 2009, 10:36 AM
Post #3 of 9
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it's a 4.6L V8 Lariat
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Hammer Time
Ultimate Carjunky
/ Moderator

Jun 28, 2009, 10:57 AM
Post #4 of 9
(6065 views)
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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)
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Hammer Time
Ultimate Carjunky
/ Moderator

Jun 28, 2009, 11:10 AM
Post #5 of 9
(6061 views)
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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.
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Hammer Time
Ultimate Carjunky
/ Moderator

Jun 28, 2009, 11:12 AM
Post #6 of 9
(6058 views)
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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.
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stickr1
New User
Jun 28, 2009, 11:43 AM
Post #7 of 9
(6053 views)
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thanks for all the info I will use this to attempt to fix the problem
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Loren Champlain Sr
Veteran
/ Moderator

Jun 29, 2009, 12:42 PM
Post #8 of 9
(6039 views)
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And they wonder why we charge so much for diagnostics? But doesn't that gadget tell you what's wrong? Loren SW Washington
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Hammer Time
Ultimate Carjunky
/ Moderator

Jun 29, 2009, 12:48 PM
Post #9 of 9
(6036 views)
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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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