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Engine lost power & rattled...
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=35204		 Page 1 of 1
Author:  Topan [ Tue Aug 19, 2008 11:58 am ]
Post subject:  Engine lost power & rattled...
Hi guys,
I had a very strange thing on my 2006 CRD (30 K miles)
Engine not yet warm, i left a greenlight by accelerating smoothly. When it shifted to 3rd gear it lost almost all its power. Like the engine was running on 1 or 2 cylinders.
I got to a parking area, openned the hoot and the engine was rattling like hell.
Closed the hoot, drove 1 mile: absolutely without power, average speed approx. 10 miles/hour and rattling :twisted:

Stopped the engine, called the TCS (great Swiss stuff that will get you out of any poopoo). :D
Waiting for the mechanics to arrive, i started the engine again: Runned fantastic !!! No rattling , all the cylinders where back and got all the CRD power !!!
No error lights on the dashboard either !!
The mechanic connected the toughbook: no error message either !!!

Since there is no trace of the problem, my mechanic cant do anything !
Does anyone had it ? Any idea of what it is ? How to solve it?
Many thanks
Cheers from Swiss Alps !!
Author:  Joe Romas [ Tue Aug 19, 2008 12:05 pm ]
Post subject: 
Possibly a clogged fuel filter :?:
Author:  JL Rockies [ Tue Aug 19, 2008 12:07 pm ]
Post subject: 
Since it was fine after the next start up, I'd say the computer went into limp mode. I don't know why it did, but the computer saw something it didn't like and was protecting the engine. I've had it happen couple of times.
Author:  gmctd [ Tue Aug 19, 2008 12:12 pm ]
Post subject: 
Classic limp mode: cycle IGN switch, ECM resets, all ok - should be an error down in archives readable only by Starscan - likely a fuel supply issue, as suggested
Author:  Cowcatcher [ Tue Aug 19, 2008 1:19 pm ]
Post subject: 
It is the classic "air in fuel" syndrom. I bet you didn't get any CEL, right. Was it a hot day too and had you been driving. RPM's up buy no power and like running on 2 cylinders? AIR IN FUEL! Check out the heater connection on the filter head and see if there is fuel in it. Replace the head and get a lift pump.
Author:  BlackLibertyCRD [ Tue Aug 19, 2008 1:51 pm ]
Post subject: 
I had that happen to me several times, even had it go in limp mode while driving at highway speed. Installing a lift pump fixed it.
Author:  kcfoxie [ Tue Aug 19, 2008 3:13 pm ]
Post subject: 
I second the "push the pump button on the filter housing" resolution

IE: I bet that there is air in your fuel line, thus resulting in limp mode.

I drove like 5 miles in limp mode once. The truck had trouble going up not very steep hills. I was terrified I broke it. Then I found it we bought the car pre-broken from Chrysler :)
Author:  Zonie [ Tue Aug 19, 2008 5:58 pm ]
Post subject: 
Sounds exactly like what happened when I put in a full tank of B100 and clogged my fuel filter. It flushed through and it never happened again, but rattled me at the time.
Author:  Bill.Barg [ Tue Aug 19, 2008 6:05 pm ]
Post subject: 
Exactly the same for me. No CEL.
Has not happened to me since the In tank lift pump mod !
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