7.3 dead, oil on engine
Thread Starter
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Mountain Pass
Joined: Apr 2004
Posts: 124
Likes: 0
From: Glenwood Springs
7.3 dead, oil on engine
Driving home on the freeway this afternoon, my 02 X (7.3 PSD) suddenly started to hesitate and run rough, then up and died in less than two miles. The engine cranks fine, but gave no sign it would fire. Under the hood there was oil on the engine and oil dripping on the ground. The oil stopped dripping after 5-10 minutes. I had to leave the truck and am now waiting for it to be towed home.
In the past year I have had three incidents where the engine would suddenly start running rough, similar to a gasser with water in the fuel. It would shake like heck, puff lots of white smoke and struggle to get over 45 mph. In each case, this lasted about 5-10 minutes and then went away. I pulled over to the side of the road each time, and although the engine was running rough, it never stalled. Never threw a code which lit the CEL, either. The incident this afternoon started in a similar manner (shaking, coughing, white smoke), but then died completely.
I'ts going to be towed to my local dealer, but there is a 3 week wait to get it looked at. Any ideas in the meantime?
In the past year I have had three incidents where the engine would suddenly start running rough, similar to a gasser with water in the fuel. It would shake like heck, puff lots of white smoke and struggle to get over 45 mph. In each case, this lasted about 5-10 minutes and then went away. I pulled over to the side of the road each time, and although the engine was running rough, it never stalled. Never threw a code which lit the CEL, either. The incident this afternoon started in a similar manner (shaking, coughing, white smoke), but then died completely.
I'ts going to be towed to my local dealer, but there is a 3 week wait to get it looked at. Any ideas in the meantime?
Senior User
Joined: Sep 2004
Posts: 408
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Sounds like what just happened to my truck about 1 week ago..I bet its one of the fitting's o-ring on the HPOP. There are 3. One in the back kinda near the fuel filter (this is just a plug and has a o-ring on it this is the one on my truck that loosed up and the o-ring split) then there are 2 other fittings on the d/s of the motor that have stanless steal lines going to them (these are all located on the "HPOP" High Pressure Oil Pump. Clean the heck out of it and then have a buddy crank it over while you watch to see if oil is coming out of any of these fittings. Ford does have a service kit part number 2C3Z9G804AB list for $32 (includes 3 new o-rings and locktight thread compound) USE THE COMPOUND!! on the fittings, it prevents them from loosing up again. Good luck
Erik
Here is my link
https://www.ford-trucks.com/forums/7...op-failed.html
Erik
Here is my link
https://www.ford-trucks.com/forums/7...op-failed.html
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
Three week wait, wow, they must be busy!
I agree, it sounds like an HPOP o-ring failure or the pump lost a seal somewhere.
Where are you located? Dealership isn't the only option, there might be a very good independant shop in your area that could do a better, quicker job.
I agree, it sounds like an HPOP o-ring failure or the pump lost a seal somewhere.
Where are you located? Dealership isn't the only option, there might be a very good independant shop in your area that could do a better, quicker job.
Thread Starter
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Mountain Pass
Joined: Apr 2004
Posts: 124
Likes: 0
From: Glenwood Springs
I'm in Glenwood Springs, CO. There's one Ford dealer here in town, the next dealer is 30 miles down the road and the service rep here told me they're running about three weeks out as well. I'm looking tomorrow for an independent shop. I've only lived here 4 years, had the truck 2 years and do all the basic M&R myself, so I'm not entirely sure what's around.
Is this something that can be done on the driveway at 25 degrees in February?
Is this something that can be done on the driveway at 25 degrees in February?
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Post Fiend
Joined: Feb 2006
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From: Middle Tennessee
Originally Posted by srauner
Is this something that can be done on the driveway at 25 degrees in February?
If it is the fitting orings, you will spend more time going to get them than the actual repair.
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Senior User
Joined: Sep 2004
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Originally Posted by Tenn01PSD350
In a word, yep. Just needs to be that problem is all. If not, you have a lot of folks here that can walk you through most problems anyway. Bet it warms up one day before 3 weeks is out anyway.
If it is the fitting orings, you will spend more time going to get them than the actual repair.
If it is the fitting orings, you will spend more time going to get them than the actual repair.
If it is a HPOP o-ring failure i beleave you can repair it yourself. It is a very easy job to do, plus you will save yourself a ton of money compared to letting the dealer repair it.
Erik
Thread Starter
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Mountain Pass
Joined: Apr 2004
Posts: 124
Likes: 0
From: Glenwood Springs
OK, I got my first chance to really examine the truck this afternoon. There is indeed oil all over the top of the engine, but no standing pools of oil. I pulled the dipstick, and there was no oil on it. When it died Tuesday, it dripped a small amount of oil but stopped after a few minutes. Would a seal or line failure discharge all the oil?
Lead Driver
Joined: Jun 2007
Posts: 7,760
Likes: 27
From: Hampton, Maryland.
None on the dipstick could be less than 4 quarts low. You could have had a slow leak for a while. The truck will still run with 2 quarts low with very few problems at all noticed so if the oring finally let go, it could have drained even further the day of the incident. I would do like Dan and Erik said.
Senior User
Joined: Oct 2007
Posts: 268
Likes: 0
From: Modesto, CA
You probably lost at least two gallons. Add oil to the full mark, then start the truck. You'll see the leak. It should be real obvious at idle. Most likely an HPOP line/O ring or possibly on the rail where the lines feed into the head.
Thread Starter
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Mountain Pass
Joined: Apr 2004
Posts: 124
Likes: 0
From: Glenwood Springs
OK, I filled it with oil, and cranked the heck out of it, but it finally started. As predicted, it is an o-ring leak from the plug at the back of the HPOP. The leak wasn't too bad while idling just after I started it - a few drips is all. I drove it around a few minutes and when I got back, the leak had turned into a full spray. That would certainly explain where all the oil went.
Thanks much to all who responded.
Thanks much to all who responded.
Senior User
Joined: Sep 2004
Posts: 408
Likes: 0
Originally Posted by srauner
OK, I filled it with oil, and cranked the heck out of it, but it finally started. As predicted, it is an o-ring leak from the plug at the back of the HPOP. The leak wasn't too bad while idling just after I started it - a few drips is all. I drove it around a few minutes and when I got back, the leak had turned into a full spray. That would certainly explain where all the oil went.
Thanks much to all who responded.
Thanks much to all who responded.
Erik