power loss

 
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BLIND BADGER
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Joined: 10 Jan 2013
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Location: somerset

PostPosted: Sun Sep 14, 2014 12:07 pm    Post subject: power loss Reply with quote
hello
bit of a tricky one as I have an engine problem on a series 3 lightweight but the engine is a 200tdi so not sure which forum catergory to go to.
when the engine is ticking over at low revs for a while or in slow moving traffic and then you give it some beans after a few seconds the power dies away for a while and then comes back.(scary when you are trying to get across a busy roundabout aaaaaahhhhhh)
first thoughts are fuel starvation or air being drawn in somehow.
recently changed the lift pump.
the turbo is fitted so don't know if this could be something to do with it.
has anybody had similar problems or got any advice
many thanks
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BLIND BADGER
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PostPosted: Fri Nov 21, 2014 8:19 pm    Post subject: Reply with quote
fyi
I have changed the spill off pipes linking the injectors and the problem seems a lot better
5 pipe from local car parts shop and job done!!!
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Nige P
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Location: Erdington, Birmingham

PostPosted: Fri Nov 21, 2014 8:51 pm    Post subject: Reply with quote
BLIND BADGER wrote:
the problem seems a lot better


improved, or gone away completely?
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Nige

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BLIND BADGER
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PostPosted: Fri Mar 27, 2015 7:35 pm    Post subject: Reply with quote
hello again
sorry its taken a while to get back to you
the spill off pipes did help but didn't completely solve the problem. we checked the air filter next which was a solid lump of mud and dirt, washed it and performance was better but still not right.
I replaced the air filter and following the advice of someone on the piston hedz forum then changed the lift pump (although old one seemed ok). filter and removed the turbo controlled diaphragm on the top of the fuel pump(4 screws nice and easy).inside there is a spring loaded plunger which pushes against a valve inside the pump. non of it comes in contact with fuel so was all abit grubby and not moving freely after a couple of squirts of wd40 (other lubricants are available!) and a smear of grease it was all moving easily again. Replace diaphragm and now it is a new beast. more power and smooth acceleration and instant turbo boost right to the limiter. Looks like problem solved and for the price of some lube (bargain!!!)
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Nige P
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PostPosted: Fri Mar 27, 2015 7:55 pm    Post subject: Reply with quote
Glad you got it running right Very Happy
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