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P0172 & P0175 2005 econoline
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danito
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Sep 9, 2009, 12:21 PM
Post #1 of 11
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P0172 & P0175 2005 econoline
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 This is a 05 ford and I am having problems with banks 1&2 being to rich now this truck has no fuel return line plus fuel pressure regulator I belive is read by PCM but it works by vaccum line.No other codes it stalls taking off well of course it its too rich,any ideas...........
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Loren Champlain Sr
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Sep 9, 2009, 12:29 PM
Post #2 of 11
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Re: P0172 & P0175 2005 econoline
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danito; Which model Econoline? What engine? The codes are only telling you that it is rich, both banks. Could be several scenarios. MAP sensor, pressure regulator, vacuum leak, leaky injector(s) ect., ect., ect.
Loren
SW Washington
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danito
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Sep 9, 2009, 12:41 PM
Post #3 of 11
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Re: P0172 & P0175 2005 econoline
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All spark plugs looked the same kind of gray towards black its a 250 econoline and I belive its a 5.4 liter. I do not think its a vaccum leak it idles very smooth,and it has MAF.
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Loren Champlain Sr
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Sep 9, 2009, 12:54 PM
Post #4 of 11
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Re: P0172 & P0175 2005 econoline
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danito; The first things I'd check would be the air filter, fuel pressure, and clean the MAF.
Loren
SW Washington
(This post was edited by Loren Champlain Sr on Sep 9, 2009, 12:55 PM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 9, 2009, 1:05 PM
Post #5 of 11
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Re: P0172 & P0175 2005 econoline
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I'd also check for fuel inside the vacuum line for the fuel pressure regulator. That's pretty common on that truck.
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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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danito
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Sep 9, 2009, 1:31 PM
Post #6 of 11
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Re: P0172 & P0175 2005 econoline
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I did clean the MAF and it did had a new air filter I also cleaned the trottle body just in case it was getting stock this truck its a TPS motor trottle boby.I have not checked fuel pressure.
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Sidom
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Sep 9, 2009, 4:00 PM
Post #7 of 11
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Re: P0172 & P0175 2005 econoline
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In addition to the other good advise you've been getting.
There is a TSB 07-8-3 out for a P0172, P0175 and/or downhill surge & harsh transmission engagement.....
Check the basics and then check the calibration code of the pcm to make sure it has the latest flash.............
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danito
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Sep 9, 2009, 11:12 PM
Post #8 of 11
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Re: P0172 & P0175 2005 econoline
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Is a TSB something like a factory recall.It does acts like if torque converter would actually take a moment to charge.But like I said before all spark plugs looks the same.
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 10, 2009, 2:59 AM
Post #9 of 11
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Re: P0172 & P0175 2005 econoline
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A TSB (technical service bulletin) is merely an advisory from the factory to it's dealers and technicians to make them aware of facts the manufacturer is aware of concerning any given situation or problem. Nothing to do with a recall. It's just a type of memo.
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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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danito
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Sep 10, 2009, 4:15 AM
Post #10 of 11
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Re: P0172 & P0175 2005 econoline
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 Thanks for the info I will check for the TSB to see if anything comes up on it. You guys are alot of help I thank you.
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danito
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Sep 10, 2009, 5:39 AM
Post #11 of 11
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Re: P0172 & P0175 2005 econoline
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Look at this o2 readings sensor1 bank1 0.800 to 0.100 on & off sensor1 bank2 0.655 steady s2 b1 0.800 to 0.100 on & off s2 b2 0.655 steady weird readings what you guys think.
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