Focus TDCi misfire problem

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Paul - 17 Feb 2007 22:38 GMT

I have recently bought my second Focus TDCI 1.8 Zetec Climate (115 bhp)
in the UK and it's driving me crazy - I wondered if anyone else had a
similar experience?

When accelerating hard, often in top gear, the engine appears to hold
back and 'miss' a bit - sometimes it's for just a second and sometimes
it happens a lot but it definitely affects the engine's power. I can't
identify any particular trend in terms of when it happens most but it is
maddening. The car has only done 34000 miles and I have just had a full
service done but it's not improved.

A mechanic has suggested that it may be dodgy injectors and I am really
not sure. The car is a late 2003 model and I am not sure if you can
have the injectors re-set/calibrated on the TDCi engine? I am more
inclined to think it's electrical but how do I get a diagnostic check done?

Anyone eperienced a similar problem or any ideas?

Cheers

Paul

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Alan - 18 Feb 2007 15:41 GMT

>A mechanic has suggested that it may be dodgy injectors and I am really

not sure.

You can get injector cleaners that you can add to the fuel. It may be
worth spending a fiver on such a product and running through a full tank
of fuel before pursuing other potentially more expensive options.

Example:
<http://www.toolshopdirect.co.uk/handtool/product/WYN55961>
Similar products are available from Motor stores or even your local
supermarket.

Signature

Alan
news2006 {at} amac {dot} f2s {dot} com

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Paul - 18 Feb 2007 19:35 GMT

>>A mechanic has suggested that it may be dodgy injectors and I am really
> not sure.
[quoted text clipped - 7 lines]
> Similar products are available from Motor stores or even your local
> supermarket.

Have already tried these despite Ford's advice that they shouldn't be used
with the TDCi variant engine. They made no difference at all and the
problem still exists.

Is it possible for a Ford dealer to read the car's 'brain' and establish
exactly what the problem is? Or will it just be trial and error?

Cheers

Paul

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