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swampy1

New Member

• Jun 22, 2010

• #1

Hi was wondering if anyone could suggest why my 2005 td5 defender with 33000 miles and full service history has started to loose power when I try and accelerate from 35ish up. When this happens I am lucky if I can get 25mph. I did notice a high pitched whirring noise coming from the engine compartment a few days ago when I switched off. it had a new fuel pump fitted about 6 months ago. any suggestions wouold be greatly received by this landy virgin

 

kennyb87

Active Member

• Jun 22, 2010

• #2

I'm no mechanic but clogged fuel filter maybe?

 

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swampy1

New Member

• Jun 22, 2010

• #3

Cheers for that will have it checked!

 

allenf

New Member

• Jun 23, 2010

• #4

One usual suspect (and dead simple to check) is the MAF sensor (immediately downstream of the airbox). Simply unplug the electrical connector from the MAF and go for a drive. With the MAF disconnected the ECU will choose default settings; if she now goes like snot off a stick you've found the culprit.

 

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Beast o Bodmin

Banned

• Jun 23, 2010

• #5

service it

 

johnlad

Well-Known Member

• Jun 23, 2010

• #6

your whirring noise could be your oil spinner slowing but not usually high pitched, check turbo/intercooler hoses and around manifold for air leaks

 

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swampy1

New Member

• Jun 24, 2010

• #7

thyanks to all those whio replied