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Escort Gti 1.8 Missing


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#1 Luke GTI

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Posted 19 July 2014 - 02:08 PM

I have a escort gti 1.8 and when cold it won't accelerate as it pops ? Also seems slow when above 4000rpm ? Any ideas ?


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#2 fiesta S321SPL

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Posted 19 July 2014 - 10:48 PM

Has it got an air flow meter?


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#3 Luke GTI

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Posted 20 July 2014 - 12:04 AM

Yes it does


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#4 fiesta S321SPL

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Posted 20 July 2014 - 07:05 AM

I'm a mechanic and had problems with a few cars. And what u are describing sounds possibly like a air flow meter problem. Another way to check a miss if it's the leafs is to drive it from 20mph. In fourth or fifth gear foot flat on accelerator and it should be smooth to pick up speed. If nope possible high tension miss. Which is ur ht leads


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#5 Luke GTI

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Posted 20 July 2014 - 03:49 PM

Ok will give it a try it mainly when it cold


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#6 Luke GTI

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Posted 21 July 2014 - 05:59 PM

When warm sometimes it flys through the rev and sometimes it don't any idea ?


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#7 fiesta S321SPL

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Posted 21 July 2014 - 09:33 PM

Hmmmm strange. Usually in gear it revs high when u accelerate it's a slipping clutch. That would be all the time not just when warm.


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#8 Luke GTI

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Posted 21 July 2014 - 09:37 PM

What mean is it pulls fine till 3500 4000rpm that feels lumpy.


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#9 fiesta S321SPL

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Posted 21 July 2014 - 09:41 PM

Not sure. Sounds like a strange one


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#10 Luke GTI

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Posted 21 July 2014 - 09:44 PM

Could it be coil pack ? Or if I get it put on diagnostic machine would that show what it is ? Like would ht leads or coil pack show up ?


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#11 fiesta S321SPL

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Posted 21 July 2014 - 09:47 PM

Only if the engine management light is on. It would come up with faults. If u get it on a good machine then u can look at how the air flow meter and things are all performing.


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#12 Luke GTI

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Posted 21 July 2014 - 09:54 PM

Just annoying as was fine. Did notice when changed spark plugs it running rich. Just don't understand the missing/popping when. Cold and fact sometime goes great and other it is slow over 4000rpm. Gonna service it at weekend as might help and would it defo be worth doing coil pack and ht leads ?


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#13 fiesta S321SPL

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Posted 21 July 2014 - 10:03 PM

Try the 5th foot flat on accelerator and that will tell u if u have a ht miss. If it's lumpy or not


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#14 vinnyvangough

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Posted 21 July 2014 - 10:07 PM

Lambda sensor.

 

More than likely a Lambda sensor. Don't bother trying to hook it up to diagnostics as they very very rarely read them anyway, in fact i have never known an Escort read anything on diagnostics.



#15 Luke GTI

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Posted 22 July 2014 - 12:37 AM

What speed in 5th? And I have noticed the metal sleeve on lamba sensor is loose as touching alternator ? I think


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