Vehicle & Technical > Discovery

gutless disco

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python:
wondering if anyone can shed some light on my problem, i have a disco 300. is very short of power, makes all the right noises but seems really gutless. loses power on the hills too. i have changed the manifold gasket as it was leaking, took out the air filter, not put in a new one yet. changed the fuel filter. cleaned the intercooler out, wasnt bad. need some help, still has all the egr rubbish on but dont think that will cause this. head gasket looks good. does have a whine fron a tensioner bearing though. help. its emmbarassing.

Disco Matt:
The EGR shouldn't make it that gutless, but they're not rocket ships unless you do some tweaking. Have you checked the fuel lift pump and that there's plenty of fuel getting through?

crazymac:
Have you checked that the turbo hoses are good? They can delaminate inside as well!

Also is the clutch biting properly? I have this with mine where the clutch is not quite engaging properly all the time, so i get higher than normal revs and it dies on the hills, especially when towing! I'm guessing that the oil seal between engine and box is leaking with me and contaminating the clutch.

Budgie:
Is the turbo working? Can you feel a little extra power at around 1700 rpm or can you hear it if you open the  passenger front window?
If not then there's a "C" clip that hold the adjuster bar for the turbo onto the wastegate, make sure that's still on it. You find it under the exhaust manifold.
It could also be no vacuume to lift the diaphram in the injector pump or a hole in the diaphram. These would both stop the extra fuel gettting to the engine.

bilge rat:
think theres a t peice just to the right of the brake servo . as you look from the front . these can brake , can make a lot of difference to turbo operation ,, alan

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