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Weird new problem but involves lack of power
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=82577		 Page 1 of 1
Author:  vertrx7 [ Fri Jul 10, 2015 8:10 pm ]
Post subject:  Weird new problem but involves lack of power
While driving along, about 45mph, all power was lost. (The motor did not shut off) Almost limp home mode. I could drive real slow starting from a stop, but I was getting no acceleration. RPM's went high as it wanted to shift, but seemed like there was no power to get up to speed. I pulled over, turned the vehicle off, let it sit about a minute, started up and drove off. No issues. I did notice that it cranked over a bit longer, before the issue occurred.

Where do I start the investigation process. No CEL's.
Author:  mark2m [ Fri Jul 10, 2015 10:08 pm ]
Post subject:  Re: Weird new problem but involves lack of power
Air in fuel will cause that exact problem. Bleed the air from the fuel filter head every once in a while.
Author:  vertrx7 [ Sat Jul 11, 2015 1:14 pm ]
Post subject:  Re: Weird new problem but involves lack of power
Thank you! Exactly the type of information I was looking for! I will get on the purging and see what happens!
Author:  mark2m [ Sat Jul 11, 2015 9:18 pm ]
Post subject:  Re: Weird new problem but involves lack of power
No problem. It still happens to me on occasion even after adding a lift pump and replacing the fuel filter head with the newer style. The fuel system in our CRD's are not the best design and are prone to air in the system.
Author:  highironcrd [ Sun Jul 12, 2015 7:25 am ]
Post subject:  Re: Weird new problem but involves lack of power
vertrx7 wrote:
While driving along, about 45mph, all power was lost. (The motor did not shut off) Almost limp home mode. I could drive real slow starting from a stop, but I was getting no acceleration. RPM's went high as it wanted to shift, but seemed like there was no power to get up to speed. I pulled over, turned the vehicle off, let it sit about a minute, started up and drove off. No issues. I did notice that it cranked over a bit longer, before the issue occurred.

Where do I start the investigation process. No CEL's.

i had the same thing happen yesterday,motor runs, no acceleration,and it sounds "laggey",..ive made the changes to fuel filter,when i looked my turbo was leaking some oil,I'm willing to bet your turbo is going,.im pulling mine out for inspection this morning
:5SHOTS:
Author:  highironcrd [ Sun Jul 12, 2015 7:32 am ]
Post subject:  Re: Weird new problem but involves lack of power
also your map sensor may be due for a clean up
:jester:
Author:  WWDiesel [ Sun Jul 12, 2015 9:43 am ]
Post subject:  Re: Weird new problem but involves lack of power
mark2m wrote:
No problem. It still happens to me on occasion even after adding a lift pump and replacing the fuel filter head with the newer style. .

Just curious, is your lift pump inside the fuel tank? :?:
Author:  mark2m [ Mon Jul 13, 2015 8:45 pm ]
Post subject:  Re: Weird new problem but involves lack of power
WWDiesel wrote:
mark2m wrote:
No problem. It still happens to me on occasion even after adding a lift pump and replacing the fuel filter head with the newer style. .

Just curious, is your lift pump inside the fuel tank? :?:


Sure is. I installed an Airtex E7181M pump after searching through the forum for what other owners used. Keeps the primer pump pretty much firm all the time.
Author:  rankom [ Mon Jul 13, 2015 9:48 pm ]
Post subject:  Re: Weird new problem but involves lack of power
ok i guess if no codes and low pressure side is ok , look like m-prop valve is getting tired again this is only my guess
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