Zetec surging at constant throttle and reduced power - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
 
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post #1 of 4 (permalink) Old 07-02-05, 12:01 AM
rennocneb
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Zetec surging at constant throttle and reduced power

Hi i have a 2001 ford focus zx3 with the 2-litre zetec engine. The
engine has a bad surge in it when at constant road speed or when
accellerating. This surge can be made much better by plugging the
vacum line going to the egr. The car has been checked for vacum leaks.
had an exhaust replaced and fuel sendr replaced. I have had it to
several mechanics that are unable to determine the problem. The car
also seems to run rich one mechanic told me the long term fuel trim
was at 18 and the car performs very sluggishly. Any advice would be
very much appreicated.

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post #2 of 4 (permalink) Old 07-02-05, 06:01 AM
anon
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Re: Zetec surging at constant throttle and reduced power

can't say off hand i know what the problem is, however i can tell you that i
have heard of this problem before on focus zetecs, i believe its a common
fault that ford are aware of so it might be worth a phone call to your local
(friendly..ha ha) dealer.
regards.

"rennocneb" <UseLinkToEmail@AutoForumz.com> wrote in message
news:1_619363_2c49d920ee87e7cb6070ef83dfe200e5@autoforumz.com...
> Hi i have a 2001 ford focus zx3 with the 2-litre zetec engine. The
> engine has a bad surge in it when at constant road speed or when
> accellerating. This surge can be made much better by plugging the
> vacum line going to the egr. The car has been checked for vacum leaks.
> had an exhaust replaced and fuel sendr replaced. I have had it to
> several mechanics that are unable to determine the problem. The car
> also seems to run rich one mechanic told me the long term fuel trim
> was at 18 and the car performs very sluggishly. Any advice would be
> very much appreicated.
>
> --
> Posted using the http://www.autoforumz.com interface, at author's request
> Articles individually checked for conformance to usenet standards
> Topic URL:

http://www.autoforumz.com/Ford-Mecur...ict127031.html
> Visit Topic URL to contact author (reg. req'd). Report abuse:

http://www.autoforumz.com/eform.php?p=619363


 
post #3 of 4 (permalink) Old 07-02-05, 05:01 PM
rennocneb
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Re: Re: Zetec surging at constant throttle and reduced power

"" wrote:
> can't say off hand i know what the problem is, however i can
> tell you that i
> have heard of this problem before on focus zetecs, i believe
> its a common
> fault that ford are aware of so it might be worth a phone call
> to your local
> (friendly..ha ha) dealer.
> regards.
>
> "rennocneb" <UseLinkToEmail@AutoForumz.com> wrote in message
> news:1_619363_2c49d920ee87e7cb6070ef83dfe200e5@autoforumz.com...
> > Hi i have a 2001 ford focus zx3 with the 2-litre zetec

> engine. The
> > engine has a bad surge in it when at constant road speed or

> when
> > accellerating. This surge can be made much better by

> plugging the
> > vacum line going to the egr. The car has been checked for

> vacum leaks.
> > had an exhaust replaced and fuel sendr replaced. I have had

> it to
> > several mechanics that are unable to determine the problem.

> The car
> > also seems to run rich one mechanic told me the long term

> fuel trim
> > was at 18 and the car performs very sluggishly. Any advice

> would be
> > very much appreicated.
> >
> > --
> > Posted using the http://www.autoforumz.com interface, at author's request
> > Articles individually checked for conformance to usenet

> standards
> > Topic URL:

> http://www.autoforumz.com/Ford-Mecur...ict127031.html
> > Visit Topic URL to contact author (reg. req'd). Report

> abuse:
> http://www.autoforumz.com/eform.php?p=619363


Well my local dealership is basically ** so im left hunting. I have
been told its a fuel deleviery issue but also that its an egr issue
which i beleive more
 
post #4 of 4 (permalink) Old 07-03-05, 04:01 AM
Rob
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Posts: n/a
Re: Zetec surging at constant throttle and reduced power

rennocneb wrote:
> "" wrote:
> > can't say off hand i know what the problem is, however i can
> > tell you that i
> > have heard of this problem before on focus zetecs, i believe
> > its a common
> > fault that ford are aware of so it might be worth a phone call
> > to your local
> > (friendly..ha ha) dealer.
> > regards.
> >
> > "rennocneb" <UseLinkToEmail@AutoForumz.com> wrote in message
> > news:1_619363_2c49d920ee87e7cb6070ef83dfe200e5@autoforumz.com...
> > > Hi i have a 2001 ford focus zx3 with the 2-litre zetec

> > engine. The
> > > engine has a bad surge in it when at constant road speed or

> > when
> > > accellerating. This surge can be made much better by

> > plugging the
> > > vacum line going to the egr. The car has been checked for

> > vacum leaks.
> > > had an exhaust replaced and fuel sendr replaced. I have had

> > it to
> > > several mechanics that are unable to determine the problem.

> > The car
> > > also seems to run rich one mechanic told me the long term

> > fuel trim
> > > was at 18 and the car performs very sluggishly. Any advice

> > would be
> > > very much appreicated.
> > >
> > > --
> > > Posted using the http://www.autoforumz.com interface, at author's request
> > > Articles individually checked for conformance to usenet

> > standards
> > > Topic URL:

> > http://www.autoforumz.com/Ford-Mecur...ict127031.html
> > > Visit Topic URL to contact author (reg. req'd). Report

> > abuse:
> > http://www.autoforumz.com/eform.php?p=619363

>
> Well my local dealership is basically ** so im left hunting. I have
> been told its a fuel deleviery issue but also that its an egr issue
> which i beleive more

ok it could be an egr prob ... but if you unplug the egr and you say its
better ?.... is it gone completely? if not its not the egr.....
first thing i would check is the catalytic convertor... car is rather
new for it to be shot but .... if it is plugged i can do this. you had
fuel sender replaced? how about the fuel filter? air filter? plugs?
start with basics. does it idle perfect? or is idle affected at all ...
did problem get worse gradually? or appear overnight?.
 
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