2012 Ford focus SE 2.0 duratec rough Idle

5

Asked by Apr 22, 2017 at 05:53 PM about the 2012 Ford Focus SE

Question type: Maintenance & Repair

Ok quick background.
just bought a used 2012 ford focus , car would run rough idle low and stall.
car has 160,000 KM checked and replaced warn spark plugs car runs much better now. H9owever it still idles alittle low and rough but much less and doesn't stall anymore. now the weird part is that its not all the time , aannnnd , theirs no check engine light..... Heelp lol I'm quite good with cars . fuel filter is a lifetime in tank , air filter is clean , oil is fresh and full , even put super 91 octane to see

3 Answers

470

Did you replace cap and wires.

5

its individual coils on the duratech motor and their would be a misfire code id assume no?

5

Fuel filter is a life time in tank unit when on the road and moving the car runs like a champ and gets good fuel economy 5.8 to 6.7 l per 100km so I'm assuming it issent anything big

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