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Ford Mondeo 2.0 TDCi 2002 Auto - Lack of power, code P2339 cyl 4 above knock threshold #

Posted by Liam Hall on February 21, 2011, 12:41 pm

Year of Manufacture *: 2002 '52
( Optional ) Engine Code or CC: FMBA/B 1995cc

Customer rang to say 'glow' light on, and lack of power.
Code read the car and came up with 'P2339 CYL 4 ABOVE KNOCK THRESHOLD'

I have ran the car, and at around 1500 rpm its coughing and hunting, if I rev it hard, it seems fine.
Seriously slow to pick up on revs though.

Not sure where to go on this one, I thought maybe injectors?

Hope someone can shed some light,

Liam.

Re: Ford Mondeo TDCi Auto, lack of power- Help!

Posted by Andy Evans <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT5518' width='330' height='300' border=0 style='border:none;'> on February 21, 2011, 1:19 pm, in reply to "Ford Mondeo TDCi Auto, lack of power- Help!"

Hi Liam,

search the archives!!

hth Andy E

Re: Ford Mondeo TDCi Auto, lack of power- Help!

Posted by Trevor Grigg <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT5284' width='330' height='300' border=0 style='border:none;'> on February 21, 2011, 1:26 pm, in reply to "Re: Ford Mondeo TDCi Auto, lack of power- Help!"
Trevor Grigg

Hi Liam.Carry out a leak back test on the injectors first.
Regards Trevor.

Re: Ford Mondeo TDCi Auto, lack of power- Help!

Posted by martin simonsohn <iframe src='https://members4.boardhost.com/ukautotalk/info/user=ukat3223' width='330' height='300' border=0 style='border:none;'> on February 21, 2011, 7:44 pm, in reply to "Re: Ford Mondeo TDCi Auto, lack of power- Help!"
Martin Simonsohn

hi you need to check the pipes from the egr they have a tendancy to split in the process of testing pipes remove clean and make sure the egr valve is free and closes correctly and moves freely with the aid of a mighty vac or similar

Re: Ford Mondeo TDCi Auto, lack of power- Help!

Posted by Alan Kane <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT5535' width='330' height='300' border=0 style='border:none;'> on February 22, 2011, 8:35 am, in reply to "Re: Ford Mondeo TDCi Auto, lack of power- Help!"
Alan Kane - Administrator

Liam,

Search the archives in the Diesel forum with your fault code as the search term.

There is a whole magazine of silver bullets in there for this particular problem, along with a load of learning if you are interested.

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