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  #91  
Old 01-21-2011, 08:37 AM
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SDV10 SDV10 is offline
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It is an easy look see. Use pb blaster and blast the bolts and un bolt it. Run it and see if your loads go down. 50 % is high for idle.
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  #92  
Old 01-21-2011, 09:07 AM
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glad for you jimmy

wow thats great jimmy. unfortunetly they allready disconnected my convertor with the same results no power at wot. so far they have tried
mass air flow sensor, fuel filter, fuel pressure regulator, knock sensor, tps, coolant temp sensor and have said the fuel pressure is good he even hooked up a auxilary fuel pump at the filter.
and can not find a vacuum leak. they called last friday and told me to take it to the ford dealer and that is where it is at but it will be a few days before they look at it. at least they only charged me for the $30.00 worth of fuel they had to put in it and did say they would try a fuel pump
and would not charge me if it didn't fix it. the wierd thing is that on the scanner it reads wot before it is even floored have at least a whole volt
before it is floored. i dont understand that maybe a pcm trouble i'll let you all know.
thanks.
kirk shonk
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  #93  
Old 01-21-2011, 09:52 AM
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Jimmy Pet Jimmy Pet is offline
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Kirk,
If its any consolation, if the cat didnt fix mine, my next move was to a reflash of the PCM. In fact more people were leading me to that conclusion that I needed to get re-flashed.

I was telling my friend who owns a sports car shop my troubles, and some of the solution replies I had received here on FTE and he piped up and said,,, I also think its a clogged cat,,, so we tried that one first.

Thankfully it helped me.

Good luck in your quest.

Cheers
jimmy.


Quote:
Originally Posted by kirk shonk View Post
wow thats great jimmy. unfortunetly they
allready disconnected my convertor with the same results no power at wot. so far they have tried
mass air flow sensor, fuel filter, fuel pressure regulator, knock sensor, tps, coolant temp sensor and have said the fuel pressure is good he even hooked up a auxilary fuel pump at the filter.
and can not find a vacuum leak. they called last friday and told me to take it to the ford dealer and that is where it is at but it will be a few days before they look at it. at least they only charged me for the $30.00 worth of fuel they had to put in it and did say they would try a fuel pump
and would not charge me if it didn't fix it. the wierd thing is that on the scanner it reads wot before it is even floored have at least a whole volt
before it is floored. i dont understand that maybe a pcm trouble i'll let you all know.
thanks.
kirk shonk
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  #94  
Old 01-25-2011, 02:41 PM
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the dealer blues

okay here is a updated if you been keeping up with this.
so i dropped the vehicle off at ford dealer last wednesday they call on monday and say i need a fuel pump and 1 o2 sensor at the cost of $990.00 so i say are you sure about that we hooked up a inline fuel pump with the lack of power results
dealer say i wish you would have told me that i'll get with the tech to rediagnose. a day latter the dealer calls you need a pcm we "think" that it is what is causing the problem. so i give the go ahead to order the part of course asking are you sure it's not a chaffed wire or a pcm ground problem
dealer says yeah yeah the technician is a compintent tech. well i'll give you all the result wednessday if fixed. by the way what led him to the pcm is that the tps reads 1 volt difference between tps & pcm well we already knew that just didn't tell the dealer but i should of at $105.00 hr diagnostic time charge 3 hr labor to find problem and insall new pcm.
the funny thing about this is that it still gonna cost me close to $900.00
must be there quota.
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  #95  
Old 01-25-2011, 10:42 PM
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The pcm wasn't reading the tps? Or the tps was bad?
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  #96  
Old 01-31-2011, 08:13 PM
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woohoo fixed finaly

well it's finaly fixed with the pcm being replaced.here is the scoop hope no one has to try to diagnois this problem on there own. recap i replaced the fuel filter and maf.took to a independent shop they tried disconnecting catalytic convertor, r&r tps, coolant temp sensor, fuel presure regulator, installed external fuel pump checked for vacuum leaks & fuel pressure. they noticed tps reading wot before reaching floorboard and said i needed to take to the dealer 3 weeks down time there. so i take to ford they call and say it needs a fuelpump & 1 o2 sensor $900.00 i say the other shop put a helper pump with the same loss of power result ford says i wish you would have told me that why i dont know im paying for them to diagnois the problem but oh well he says i'll have my tech relook at it. okay.ford call a day latter you need a pcm 4 days later i get the vehicle back and it is fixed here is the write up. found code p0171 monitored datalogger while driving under load shrtft on both banks 33.5% o2 sensors drop to 0 volts. verified fuel pressure 35 psi & 2 psi back pressure exhaust under load. fuel quality good. max maf was2.8 volts at wot. back probed maf signal at pcm measure at 3.8volts while maf v pid read 2.8 volts at wot.unplugged maf allowed engine to run normal. inspected pcm connector for corrosion none found. load tested power, ground & contacted hot line for assistance replaced pcm & retested maf v pid read normal concern resolved. thats it 2 months later & $950.00 later running like a raped ape. hope this will help someone. thanks for all the support espeacilly Jimmy Pet who wasn't rude
like some people.
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  #97  
Old 01-31-2011, 10:22 PM
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Holy Crap Kirk, thats awesome!!!
Well,,, you pretty much went through the process,,, that was the only thing left (of course).
As I said, if the cat didnt fix mine, I felt like that was my next step.

VERY glad you got it fixed, and glad its all in one thread.

Hopefully all of this diagnosis time and money spent between two trucks with identical problems (and two different solutions) will help someone else in the future.
Cheers
jimmy p
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  #98  
Old 02-01-2011, 07:51 AM
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Glad to hear you finally got it fixed! Rep points for you
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  #99  
Old 05-23-2011, 09:04 PM
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I'm having similar problems, any help
http://www.ford-trucks.com/forums/10...seconds-2.html
Thanks
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Old 05-23-2011, 09:04 PM
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