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Old 14-08-2010
Mightytharg  Mightytharg is offline
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Exclamation 2.8CRD cutting out.

Damn, damn and double damn!

Got a problem here in the UK with my recently acquired 2003 2.8CRD KJ.

Test drive before I purchased it went OK - although was brief.

On the day I picked it up I drove less than a mile home, then approx 10 miles to pickup a jack and some axle stands. Started driving back home and as I pulled away from some lights and engine started to spin up it cut out.
From this point I found that I could easily repeat this by trying to floor the throttle - each time it would start to pick up and then die within a matter of yards. I then crawled back to the dealer = pootling along and keeping revs and engine load light - only got the cutting out once during this time as the engine did start to spin up a little.

Dealer hooked the car up to their diagnostiics and thought it was some kind of sensor but decided it best the local Jeep dealer take a look. They did, and then came up with suggestion that it may be a fuel pump not providing enough fuel / fue pressure into the rail, but wanted to get it checked by a "Diesel Specialist" who confirmed their diagnosis. New fuel pump was ordered, then the correct new fuel pump was ordered and fitted and tested by the Jeep dealer.

My dealer picked up the car and then found the behaviour is still there and (once the car is warm) easy to replicate

He's offered my money back thankfully but I thought I'd check your collected wisdom - can anybody suggest what may be causing ths behaviour please?

Cheers
  #2  
Old 14-08-2010
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glend  glend is offline
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Change the Fuel Filter - this behavioulr is consistent with a clogged fuel filter.

One other thing to try before you change the filter is to bleed the fuel head (see your owners manual for the process) to get any air out of the head. You will need to do this after the fuel filter is changed so better get some experience with it.
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