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Posted

Hi 

I have a x type 2.0d estate 2004.

The problem with engine is when I accelerate up steep hill or heavy acceleration the engine goes into limp home mode and then if I carry on accelerating it cuts off.

When it goes into limp home mode I switch ignition off and on and the fault goes away. 

If I drive really slow and don't go up any steep hill its fine. Unfortunately I live on a steep hill. 

Up to now I have cleaned egr valve and fitted new fuel temperature sensor. 

Thanks Shaun 


Posted

DPF is full or near to full

Its recommended you drive at 60 mph in low gear for min 30 minutes. This gets the exhaust very hot and incinerates the gunk and spits it out. 

These engines dont take to lots of short trips. Your start off journey with a cold engine will dump a lot of unburnt fuel in the exhaust.

I have the same problem with my XF, too much welly in the first 3 minutes it goes strait to limp, fine once warm. It gets a thrashing on the motorway, sometimes I have to make an excuse for a day out just to keep the engine happy

Posted

the 2ltr diesel doesn't have a DPF so i think we can count that out 

these cars go into limp mode for a variety of reasons i would start by getting the fault codes read and see where they point to 

if you want to do a bit of investigative work your self i would start with the cheapest options first 
check that the turbo actuator is moving as it should, there is a cir clip on the actuator arm that is easy to remove allowing you to check if the vanes in the turbo are moving freely along their full travel 
the coil tends to flash on startup or very shortly after starting if the turbo vanes are gummed up but this is not the only reason why the coil light flashes it's just one of em  

check the EGR pipes for splitting especially the one directly below the EGR valve 
symptoms can be flashing coil light, limp mode and loads of smoke when trying to accelerate hard 
a seized EGR valve can cause limp mode too

when was the fuel filter last changed ?

after checking the EGR valve and surrounding pipes and the turbo actuator and vanes for gumming up things start to get a little more expensive 

doing whats know as an injector leak off test can tell you if the injectors are good or bad but things start to get expensive from there on

 

 

 

  

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