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Ford F-Series Powerstroke Diesel Problems

766 messages,  Last post on Dec 04, 2009 at 9:43 PM

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

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#487 of 766 1999 F550 7.3 Engine HPOP/Check Valve/Sensor Problems? by pat99 Dec 28, 2008 (7:29 pm)
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.
#488 of 766 99 F-250 tranny wont come out of 3rd by demomanAK Jan 12, 2009 (11:24 am)
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! Replies to this message: cowboy9 (Jan 12, 2009 2:14 pm)
#489 of 766 Re: 99 F-250 tranny wont come out of 3rd [demomanAK] by cowboy9 Jan 12, 2009 (2:14 pm)
Replying to: demomanAK (Jan 12, 2009 11:24 am) Hey Demo,     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
#490 of 766 Re: Powerstroke Head Gaskets [mrwallace1] by TooTiedUp Jan 15, 2009 (12:40 pm)
Replying to: mrwallace1 (Aug 05, 2006 1:40 pm) Am going through 6.0L issues now. Had head gaskets replaced on my "04"along with oil cooler & EGR coolers (second 1) in Phoenix 125,000 miles. Drove to OKC and still smell diesel & antifreeze. Now I have cracked heads & deal wants $7,000.00 for heads & hoses...check TSB 08-23-8. This is becoming a regular issue but Ford will offer no assistance. Beware 6.0L owners. Replies to this message: skip21 (Feb 07, 2009 9:11 am)
#491 of 766 Re: diesel fuel in coolant [bcross] by TooTiedUp Jan 15, 2009 (12:51 pm)
Replying to: bcross (Dec 28, 2007 5:19 pm) My '04' has this issue. Diesel eats the rubber hoses & seals and is very noticable through the coolant reservoir cap. I have cracked heads...($ 7,000.00) for heads & all new hoses w/ no assistance from Ford. Check TSB 08-23-8.
#492 of 766 Re: Goodbye Powerstoke...hello Duramax! by TooTiedUp Jan 15, 2009 (4:53 pm)
Replying to: bobbyz60 (Oct 11, 2008 9:48 pm) I have owned a '99' F-350 Powerstroke(470,000 miles) & still have a '02' has 230,000 miles...both 7.3L. Great trucks...Then I bought a '04' King Ranch w/ 6.0L. Starting at 95,700 miles...high pressure oil pump, EGR valve, EGR cooler, & coolant reservoir. After 100,000 miles...oil cooler, another EGR cooler, another coolant reservoir, & head gaskets totaling $ 5,500.00...1200 miles later...heads are cracked & needs new heads, all new hoses, & yet another coolant reservoir totaling $ 7,057.48. Even with the TSB 08-23-8...Ford will do nothing to help. This is not an isolated incident but more like a recall. Attention Ford an Ford owners...a $ 52,000 truck should last longer than 125,000 miles.   Another unhappy customer
#493 of 766 1999 f-350 diesel by akers23 Jan 17, 2009 (12:38 pm)
I am having trouble with my truck.i parcked it the night before and the next morning it started but then stalled after running ruff.I changed the fuel filter and added 911 to filter and tank.It started up ran very ruff and stalled again.So i went and got a cam sensor from ford.I changed it.but its doing the same thing running ruff then stalls.The outside temp is 6 degrees.There is fuel in bye the fuel filter.someone told me fuel is jelled,but i have fuel. PLEASE HELP Replies to this message: greg92 (Jan 18, 2009 7:07 am)
#494 of 766 Re: 1999 f-350 diesel [akers23] by greg92 Jan 18, 2009 (7:07 am)
Replying to: akers23 (Jan 17, 2009 12:38 pm) my 02 f 350 started doing that a few weeks ago. It started by running rough while cold if i plugged in the heater. then i stopped plugging it in and it starts fine. only thing now is that it dies after sitting at a stop light/sign. then starts up fine and runs fine when hot but when i leave the stop light it sounds real quiet in the exhaust then sounds normal after a couple seconds. still dont know what is going on. I too have changed fuel filter, added diesel conditioner, and cleaned air filter. Any help out there?
#495 of 766 1999 ford diesel by akers23 Jan 20, 2009 (1:54 pm)
I left a message about my ford diesel.I just wanted to update that message.I got it running again.It just neede some heat under the drivers door frame rail to warm up the fuel in lines.Although i had fuel it wasnt enough.
#496 of 766 losing fuel mileage by marshduck Jan 29, 2009 (6:38 pm)
I have A 96 F-250 7.3 Powerstroke. Reg. Cab 4X4. Iwas getting 18 to 19 miles per gallon or about 360 to front tank and 320 rear tank. Running 33 inch tires have superchip. Did cut exhaust off and ran straight pipe from the aftermarket downpipe. Cant figue out why Iam losing so many miles per tank. Getting like 220 to 240 a tank now. Wondering if I dont have enough back pressure. REALLY DONT KNOW. If anybody could help I would be greatful for any info. Replies to this message: cowboy9 (Jan 29, 2009 9:40 pm) marshduck (Jan 30, 2009 4:05 am) dbweaver (Jan 30, 2009 1:20 pm)

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