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sluggish 200tdi defender

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land-def-90:
hi i have a problem with my 200tdi, its guttles strugles to stay at 50 mph, its as if last third of throtle dosnt work, it uses no oil starts on turn of key and blows no bad smoke out, i have changed filters, lift pump adjusted valves. i found a hole in pipe between turbo and injection pump replaced it but still no diferent, have checked diaphram on pump and it seems ok, surely fixing that should have made a difference ?. im wondering if turbo is goosed is there a way to check this, any advice is most appreciated .  regards Iain

bogie:
if it aint reving the turbo wont work,it wil b lack of fuel or air. blow the air lines out,check 4 any kinked pipes and remove air intake pipes. power of elimination mate!

land-def-90:
thanks for the reply will check these things out and let you know how i get on,   Cheers Iain  :)

Porny:

--- Quote from: land-def-90 on February 20, 2009, 23:54:21 ---thanks for the reply will check these things out and let you know how i get on,   Cheers Iain  :)

--- End quote ---

Check engine timing!! - If the cam timing is retarded you 90 will be 'very' slow!!  I.e. will not do more than 45/50mph.

Next, take the diaphragm out of the top of the injector pump.  Then, operate the throttle arm to give full throttle... look down the hole where the diaphragm goes - does the fuelling pin pop out?? If it does, using a thin screwdriver gently push it back in.  Worth spraying a bit of WD40 or similar down the hole, and operating the throttle a few times

If it doesn't you have found your problem.

While the diaphragm is out, it is worth setting it to its max position  ;)


Ian

extreme90:
not something as silly as the throttle cable needs adjusting is it ?

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