Fiesta ST ECU - North America vs Europe

7563 Views 18 Replies 8 Participants Last post by Drifter, May 7, 2014

WRC Fan

Discussion Starter · Aug 15, 2013

Unlike the Focus ST, which shares the same brand of ECU in both the North American and European cars, the North American Fiesta ST ECUs are manufactured by a different vendor. At least that's the way I understand it.

This of course has the possibility of slowing down the R&D of ECU tuning on the North American cars. It may be a non-issue. But, I just wanted to share the info.

Maybe someone with more direct knowledge will be able to shed some insight.

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COBB

· #2 · Aug 16, 2013

Yes, this is true. UK and US ECU programming is segregated on the FiST. The euro cars are also MAF based whereas the US cars retain the MAP based system used similarly to the FoST.

No worries though, we've got you covered!

Cheers,

-Braden @ COBB
Sent using Tapatalk

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COBB

· #14 · Feb 11, 2014

wash said:
The Cobb hardware will work, you just need software to tune, plenty of places in the UK can do that.

The Accessport will not recognize a non-US Fiesta ST, so it will not work on a European FiST. Sorry :/

We are investigating world support, but not having access to a vehicle in house due to the differences in tuning strategy is a major limiting factor.

Ian

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