Hi everyone.

 

ive had this issue with the focus on idle since I've had the car. It seems to struggle to tick over on idle. 

From inside the car, you get this juddering feeling when the car idles, the Revometer doesn't move much but it's noticeable.

the other week me and some mates did some maintainence to the car, clean maf sensor and intake. And before we carried it out, with the engine cover off the engine really struggled to tick over, you could see the engine about the stall then pick up again. 

In terms of maintainence, the car runs on shell v power, it's had some bg44k run through it to clean the fuel system, I had a terraclean done the other week. All of the above helped for a little bit then the rumble came back. 

The car has had a blufin remap which is amazing, but the car idled funny even before the remapping was done.

the one thing I noticed yesterday was when I was at headingley for the test match and on the way home we sat in a lot of traffic and the car was happily using it auto stop start feature. I noticed after using the stop start for around 30 mins of constant on and off, the car felt a severe lack of power and the cars idle was worse than usual. 

Sorry for the long post but I would like to solve this little issue I'm having.

the engine is a 1.6 Ecoboost 180bhp petrol. Around 40,000 on the clock, full service history with ford main dealers

Have you gone into the test mode on the trip computer and seen if any diagnostic trouble codes are stored? That could point you in the right direction. Failing that get the fault codes read by a garage and go from there.

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I've plugged in my blufin which can read codes and none were stored on the Ecu. 

From going with a rough idle, my initial thoughts could be spark plugs or battery

 

anyone got any other ideas

may need a software update from ford

A software update from Ford will remove the Bluefin remap. If you apply the Bluefin remap afterwards the software will be in exactly the same state as it currently is.

If the problem is solved by installing the latest version of the original software you also need a new remap file that is based on the latest original software.

I also have a zetec s 180bhp 2012 plate. Mine also vibrates alot on idle although the rev counter doesn't move much. Did you ever get to the bottom of the issue?

 

"my initial thoughts could be spark plugs or battery "

i can't see it being a battery problem. if the battery operates the starter motor properly then you can be sure the battery is good

i got to the bottom of mine eventually faulty injector changed all the injectors at once as they came attached to a fuel rail and bingo smooth idle and this had obviously been like it from new and no one had bothered to sort it.