Wayne011 Posted December 30, 2016 Share Posted December 30, 2016 I have a Ford Fiesta zetec s 2005, ive been having problems with the idleing when i pull up to a junction the idleing bounces up and down and the car feels like it's going to stall! Now when I was driving to work the car lost all power and idleing was all over the place! And it came up saying EAC FAIL. I turned the car of and started it again and it ran ok the rest of the way! The idleing problem seems to be worse when the car is warm! I've had new spark plugs, new coil pack! Changed the air filter! Can anybody help? Before I take it to a garage. Thanks Quote Link to comment Share on other sites More sharing options...
dezwez Posted January 1, 2017 Share Posted January 1, 2017 have you had the codes read as this may heip you Quote Link to comment Share on other sites More sharing options...
Russ Posted January 1, 2017 Share Posted January 1, 2017 (edited) On 30/12/2016 at 9:14 PM, Wayne011 said: I have a Ford Fiesta zetec s 2005, ive been having problems with the idleing when i pull up to a junction the idleing bounces up and down and the car feels like it's going to stall! Now when I was driving to work the car lost all power and idleing was all over the place! And it came up saying EAC FAIL. I turned the car of and started it again and it ran ok the rest of the way! The idleing problem seems to be worse when the car is warm! I've had new spark plugs, new coil pack! Changed the air filter! Can anybody help? Before I take it to a garage. Thanks Try removing the pipe and cleaning the throttle body carefully with carb cleaner. Use a soft toothbrush to do it and after cleaning the butterfly valve and Venturi lightly lubricate the sides of the butterfly valve spindle where it enters the body on either side. (google how to clean a fiesta mk6 throttle body if your unsure) Edited January 1, 2017 by Russ Added link Quote Link to comment Share on other sites More sharing options...
Tuffers69 Posted January 3, 2017 Share Posted January 3, 2017 Behind your throttlebody is a rubber hose, they have a common problem where they split because of the heat from the engine. Does it sound like there is an air leak? Mine was doing the exact same thing until I found out it was the Pcv hose. if it's not that it could be MAF sensor or idle control valve. Quote Link to comment Share on other sites More sharing options...
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