Vehicle & Technical > Discovery

HELP on a 300 tdi discovery needed

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mickelson:
Is it turfing out any unusual colour smoke? Black? Lacking power could easily relate to the turbo, but normally this would show up with excess smoke as well. when did you last put some injector cleaner through it, what condition are the injectors in? if they werent working well and were clogged up, they wouldnt shut properly and therefore would produce black smoke as they are burning extra fuel when they shouldnt be.

mickelson:
One thing i will say, is always look for the simple things first. majority of time it is and if you can use a simple process of elimination then it may save you a few quid. Ensure you are getting plenty of fuel to the injector pump by pumping the lift pump and undoin the bleed screw on the FIP. Make sure the whole air induction system is free from holes and completely sealed. Have a feel of the turbo blades, is there excessive play in them, there should only be a very minor amount of up and down movement.

Nick154:
Thanks everyone i'll pass on the info.  By the way it's an auto and had some injecter cleaner in it a couple of weeks ago.

freelanderpx54:
When I put some injector cleaner through my TD5 it took a week or two to settle down

lee celtic:
dump valve jammed open in the turbo?

if it's the same as a 200 tdi is the diaphram in the injector pump in the wrong way round this makes them guttless

tappets (gaps) holding valves open letting explosion past valves into exhaust (burnt valves)

Timing

blown intercooler or hoses?

my best mate Mz666 had somthing similar turned out to be a peice of swarf in the injector pump.?

fuel starvation at high revs due to blockage in certra thing that spins out grime and water behind the drivers side rear wheel arch.

Thats all I can think of at  the moment but I will ask the anorak at work tomorow :wink:

most of them are free worth a go :D

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