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Ford F-Series Powerstroke Diesel Problems

879 messages,  Last post on Mar 19, 2010 at 7:13 AM

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What is this discussion about? Ford F-250, Ford F-350, Diesel, Truck

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#327 of 879 1999 7.3 poor low end/fuel economy by bridmtn Apr 21, 2008 (8:05 pm)
The past year I have owned a F-250 powerstroke that seems to have poor low end power and fuel economy. My 1st tank of fuel got me about 16.3 mpg but since it has dropped down to about 13.6mpg. This truck has 92K miles, auto trans. w/aftermarket 4 in. exhaust and no cat converter. There is a bad turbo whistle at highway speed and I am wondering if there needs to be more backpressure in the exhaust. I have changed the fuel/air filters, run fuel conditioner and installed a Super Chip to no avail. The fuel mileage never changed. What puzzles me is the fact that the 1st tank of fuel mileage was great. My girlfriend's 97 has a lot more power and gets 17mpg!   Thanks Replies to this message: sitdog84 (Jan 07, 2010 11:31 am)
#328 of 879 Re: 1997 Power Stroke Diesel [rgriffeth] by orcowboy Apr 25, 2008 (1:16 am)
Replying to: rgriffeth (Feb 06, 2007 10:48 am) i have a 96 powerstroke i had the same problem i changed the cam posion sencer. fired up and ran not problem. went to napa paid $35.00 for stock sencer. there is a recall on them from 1997 on. ford dealer will fix it free.
#329 of 879 Re: Powerstroke TD Intermittent Start problems [cowboy9] by gagrice Apr 26, 2008 (10:51 pm)
Replying to: cowboy9 (Apr 15, 2008 4:43 pm) What year 7.3 engines do you like? I am watching for a pre 1997 F250. I like a full sized truck vs the Ranger I am now driving. F250 diesels are not that expensive in the 10+ year old range. I like the old style better also.
#330 of 879 i hook u up by pwrstrkin Apr 28, 2008 (2:44 pm)
i wrk at the dealer and if i told that to a customer than i probably would not be employed there anymore. for one you dont turn down buisness especially trks. i knw the 6.0's r prolemsum but when performing correctly they are a really good dependble engine. too bad you dont live in the metro-detroit area.....that means money warranty or not u knw.
#331 of 879 04 service manual by pwrstrkin Apr 28, 2008 (2:53 pm)
can get you manual....hard copy if posible. do u have problem with ur trk or jst want manual. i wrk at the dealer. email pbeu135hotmail.com Replies to this message: chas1969 (May 01, 2008 4:56 am)
#332 of 879 96 7.3 stalls by pwrstrkin Apr 28, 2008 (2:56 pm)
430 bucks for the part......! holy!#$ ford dealer $28.00 new style.part of the recall 07s57 no matter mileage
#333 of 879 not starting by gibby3 Apr 30, 2008 (4:45 am)
i have a 1999 f350 dually 7.3 powerstroke. it starts most of the time but latley only when cold it just turns over,smokes out the exhaust.no fault code registered.replaced relay for glow plugs also oil temp and 2 atmospheric switches.if i leave it for a period of time not always the same and go back it will start first turn.any help will be appricated. Replies to this message: pwrstrkin (May 02, 2008 8:56 pm)
#334 of 879 Re: 04 service manual [pwrstrkin] by chas1969 May 01, 2008 (4:56 am)
Replying to: pwrstrkin (Apr 28, 2008 2:53 pm) I live in Jackson Mi and I would greatly appreciate more than you would ever imagine . I have a 2002 F150 service manual on DVD to give you although you probably already have it . I allso have a service manual on my bike it covers several kawasakis around 85 to 87 eliminators that is also on Dvd . I am trying to be able to do alot of work on this truck myself. It is running good now but I want to learn this truck I hope to have it for the next 12 years. Thank you so much. chas1969frontiernet.net
#335 of 879 Re: not starting [gibby3] by pwrstrkin May 02, 2008 (8:56 pm)
Replying to: gibby3 (Apr 30, 2008 4:45 am) well it sounds like you replaced everything else that it usually is....although sometimes it is the pcm. the pcm all it does is grounds the glow plug circuit. you have to rule out also the possibility of the uvc(under the valve cover) harness connections...but you might have experienced some drive concerns. if all ok most likely it is the pcm. dealer cost about i think $380 has to be programmed in tho. it sucks tho because you cant directly test the pcm. you have to hook up a break out box(which only the dealer has) to the pcm and ground that circuit manualy to verify wiring integrity. good luck email with results pbeu135hotmail.com
#336 of 879 not starting by gibby3 May 04, 2008 (4:23 pm)
thanks for your help ,i now have the problem of finding a dealer in scotland with the software to program in the pcm.if anyone nows of anybody even in britian,i dont mind traveling,realy enjoy driving my ford.thanks

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