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Focus 1.6 'coughs' Sometimes - Tried All Sorts ??


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#1 Blidworth Steve

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Posted 23 October 2013 - 11:25 PM

hi - when warm focus (51 plate 1.6) will judder briefly (I used to know it as petrol starvation) I have changed plugs, leads, coil pack, egr valve, fuel filter - what else could it be -help and thanx



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#2 artscot79

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Posted 24 October 2013 - 12:49 AM

The focus does judder its a matter of how much commonly the pcv valve or incorrectly gapped plugs are the cause plugs come pregapped at the old gap of 1.3mm it should be 1.0mm also dielectric grease should be smeared on both ends of the leads coil end and plug

#3 Dan62

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Posted 24 October 2013 - 09:02 AM

.



#4 Blidworth Steve

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Posted 24 October 2013 - 11:51 AM

It seems to do it when driving, about 50ish and when it has warmed up - petrol treatment seems to cure it for a day or so



#5 jeebowhite

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Posted 24 October 2013 - 12:54 PM

Could be a clogged fuel system, such as a new fuel filter, or a treatment to clear the injectors etc.




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