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08-20-2008, 09:42 AM
| #1 |
| Junior Member Join Date: Aug 2008 Location: New Caney, Texas
Posts: 4
 |  Help! 99 F250 7.3 drops dead after 2or 3 minutes I have a 1999 Ford F250 w/ 7.3 L Diesel , 227K miles that just refused to start one night. I went back to it the next day and it started right up then dropped dead after 3 or 4 minutes. I replaced the fuel filter, removed the air filter, checked the oil level in the high pressure oil pump (added a little) after sitting all night it will start up and run 3 to 5 minutes and drop dead and will not start again. I have followed every trouble shooting guide I have in the book and on the Ford Motor company DVD and I reached the point that I don't have the special diagnostic tools that it calls for to procede further. It is getting fuel into the filter bowl, the electric fuel pump seems to be working fine. I am hoping someone out there can help an ole dude in trouble!  I really can't afford to take it to the shop but I can't walk to work either!  Any ideas would be greatly appreciated! |
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08-20-2008, 10:11 AM
| #2 |
| Moderator  Join Date: Apr 2005 Location: Texas
Posts: 3,104
 | sounds like the cam postion sensor. very easy to change and only about 25-30 bucks now. That would be my bet.
__________________ John Wayne 2000 F-350 7.3L Powerstroke 4x4 |
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08-20-2008, 10:16 AM
| #3 |
| Senior Member  Join Date: Jul 2006
Posts: 2,518
| Welcome to the site: Plenty of Ford PS guys here, and most of us love these trucks. This sounds like a typicall CPS problem. The CPS is a cam position sensor, and is cheap and easy to replace. You can do it yourself. First one id a pain, but provides you with a real feeling of satisfaction once complete. This is such a common problem, I carry an extra one in the glove box. Also, I highly recommend a factory replacement OEM sensor. Many have not had good luck with the aftermarket units. The cost is about the same. Around 40 bucks. This could be a TPS problem, and it could be a problem with a leaking windshield. Your symptoms did not indicate any of the other items, so the CPS gets my vote. |
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08-20-2008, 10:49 AM
| #4 |
| Junior Member Join Date: Aug 2008 Location: New Caney, Texas
Posts: 4
|  RE: Help! 99 F250 7.3 drops dead after 2or 3 minutes' I so appreciate the super fast replies! I will check that Cam Position Sensor out and let ya know! Thanks again!  |
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08-20-2008, 01:34 PM
| #5 |
| Senior Member Join Date: Oct 2007
Posts: 212
| Ford now has a recall on those sensors.... Check with your local dealer and they will replace it or reimburse you if you have proof you have had it replaced already. |
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08-20-2008, 03:19 PM
| #6 |
| Junior Member Join Date: Aug 2008 Location: New Caney, Texas
Posts: 4
|  God Bless You All! The CPS was indeed the problem!I had a challenge getting it out once I got to it but I "got-r-dun and "Big Red" is back in action ! You guys are a wealth of great info and I am so grateful!   :applaud :I got the part for $27.95 at Autozone and had my "loyalty" card built up and I only paid $10.16 out of pocket! Again Thanks for the info! I will look into the reimbursement aspect of that also! TY TY TY |
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