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Poor Accelaration

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#1 philfy



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Posted 25 February 2011 - 01:11 PM

Hi, getting quite frustrated by a problem i have with my 2.0l petrol mondeo mk3 on an o2 plate,done 65000 miles with full main dealer service. when cold i have trouble in pulling away and have to keep the revs up to move off and she sounds quite lumpy. also she hesitates on acceleration. changed HT leads,checked for any loose connections etc that i can find but to no avail... when at speed she doesnt miss a beat and tick over is also fine. please, any ideas more than welcome

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#2 Mightyhighone



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  • Ford Model: Mondeo -97

Posted 24 March 2011 - 08:00 PM

You might have a faulty lambda probe, check fault codes whit a OBDII reader.

#3 btmaldon


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Posted 25 March 2011 - 08:59 PM

I wonder if your car is still running on the original plugs. May be worth a look.

Fuel filter may not have been changed also.

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