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Pickups Ford F-Series Ford F-Series Powerstroke Diesel Problems
770 messages, Last post on Dec 07, 2009 at 10:19 AM
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Replying to: tommy613 (Dec 03, 2008 4:03 am) any new news on the diesel?? I have a 1999 ford f250 w/7.3..I bought the truck about 5 months ago... never had any problems, but last week It was about 30 degrees outside ( cold for us in dallas) the truck started and I let it warm up for 10 minutes.. i drove for about 15 more mins. and it died.. the wait for start light was not on..would not start.. i towed it to my mechanic.. the #30 fuse was blown.. put a new fuse in checked everything started fine and no problems for about a week the weather has been warm until this morning.. the fuse blew and wouldnt start?? i am thinking the fuel heater?? or the gp relay?? any thoughts would be helpfulll...thanks , Eric :
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Replying to: efnicks (Dec 16, 2008 5:12 pm) Tony
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Replying to: cowboy9 (Dec 16, 2008 8:46 pm) Yes, I was going to check the glow plugs and the relays in the next few days and see what that tells me, but several other people with the #30 fuse blowing alot of times is the fuel heater that has a short in it....I am just wondering why i never have a problem unless we get a cold snap.....30 degrees or so... thanks, I will let you know about the glow plugs and the glow plug relay tests..I have read the forum from front to back and tony you seen like your pretty sharp when it comes to working on these things.. I just refuse to take it to a dealer and don't know anyone who will work on a powerstroke in dallas, texas... where are you from tony?? if you have any recommendations they are always appreciated...thanks, Eric |
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| I went out when it warmed up and unhooked the fuel heater plug.. the fuse kept blowing when it was cold until I unplugged it..the fuse did not blow again.. I left the fuel heater unpluged and the other morning it was 25 degrees outside and the truck started fine and ran fine.. must have been a short in the fuel heater... has been running fine for over a week and has been cold several days.. also I replace the glow plug relay tonight just to be safe... thanks for the info...Eric | |
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I have a 1999 F550 truck with the 7.3 engine which I tow a 37' 5th wheel with. It has 160k towing miles. I am having a problem with the high pressure oil pump (HPOP) and need some technical assistance. My problem started when it sat in my shop while we worked on the valve cover gasket leaks after I had the glow plugs replaced. When I tried to start it (five weeks later) it wouldn’t start. We tried to check everything we could think of. Finally, we removed the screw on top of the HPOP and noticed that there wasn’t any oil in it. We filled it with oil (until the level was at the top of the pump) and tried to start it again. It started. Since then (3 months), if it sits for a period of time getting it to start is an issue (sometimes it won’t start after sitting only a couple of days or a week – it’s not consistent). All I have to do is to remove the screw on top of the HPOP & fill it and it will start. My questions are: a. Is it the HPOP? b. Is it the check valve in the block? c. With the HPOP costing $500, I need to know if there is any way to check the system to find out definitely that is the problem before expending that kind of money. I don’t want to just replace it unless I am confident that is the only issue. d. As noted in the Ford 1999 F-Super Duty F-250, F350, F450, & F-550 Workshop Manual, could my problem be with Item 35 & 36 seat and ball kit, Item 37, 38, 39 Oil Pump Relief Valve Spring, Oil Pump Relief Valve Plug & the O-Ring Seal? (Pg 303-01C-5 & 6) It just seems to me like a check value on something has a leak. Any assistance, thoughts, lessons learned, or trouble shooting ideas will be greatly appreciated. |
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i have a 99 ford with the 7.3 automatic....just recently installed a superchips power programmer on it an the truck has done awesome till the other day i locked it in 4wd an was backing up a rough hill an loaded a car on the trailer an soon as i pulled back down to the road i took it out of 4wd an re-programmed it an put it on the tow-safe mode...after i took off it went through 1st an 2nd an into 3rd but it wont shift out its almost like the overdrive isn't working...i took the program off the truck an took the battery cabels off an hope that it would clear everything but it didnt...any help would be greatly appreciated i am by far no tranny man an dont want to spend a fortune if i dont half to...THANKS!
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Replying to: demomanAK (Jan 12, 2009 11:24 am) Did you have the OD off prior while driving with the trailer on ? Also if you was just hauling a car trailer & car on it you don't have to uninstall your Superchips, I run the same Programmer & yes I know they say you should take it out of HP Mode but I have a Gooseneck trailer that I pull with a 8500# Bobcat and a total weight of 14000# I am towing and never change my setting. It's always on Max, lol. You have a dumbie light on the dash board that will come on if you start pushing it to hard, ( which I have done ) now if you keep trying to push it when that comes on then you can cause some damage but the truck should also power down if it's running to hot. So any way if you did have the OD off when towing you have just blown a Fuse, Relay or maybe a wire came lose under the truck. If the Wire to the Button on the Shifter broke it's very easy to till, there is like 2 or 3 screws that keep the Steering Colum on, un screw them and check the wire, they usually break right where the little black rubber deal is, you will see what I am talking about once you pull off that cover. Hopefully that helps if not just email back and we can go from there, also on that Programmer you can run a scan to check for Codes of course it's not like or as good as a Shop but it might show something. On the Codes though if you pull one I think it's P0285 and it's something about the #8 Injector don't worry about it as you probably had the new Cam Censor put on and for some reason that Code comes up now, unless your truck is running rough don't worry about that Code. Tony |
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Replying to: mrwallace1 (Aug 05, 2006 1:40 pm)  125,000 miles. Drove to OKC and still smell diesel & antifreeze. Now I have cracked heads & deal wants $7,000.00 for heads & hoses...check TSB 08-23-8. This is becoming a regular issue but Ford will offer no assistance. Beware 6.0L owners.
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Replying to: bcross (Dec 28, 2007 5:19 pm) |
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Replying to: bobbyz60 (Oct 11, 2008 9:48 pm) Another unhappy customer |
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