Ford covers everything from a 1.0 EcoBoost Fiesta to a 2.0 EcoBlue Transit working for its living,
so “what does a Ford remap give you” depends entirely on which one you have. The short version: the
diesels respond in torque, the EcoBoost petrols respond in both, and several of the newer ones are
locked from the factory – which is why some tuners turn them away.
The locked ECUs are the real dividing line
From roughly 2019 onward Ford moved to control units that cannot simply be read through the OBD
port: Siemens/Continental SID211, SID212 and SID212 EVO on the diesels, and Bosch MD1 units on the newest vans. A lot of workshops will tell you these
“can’t be done”. They can – they just need the right equipment and the right method,
which is either a bench read or an unlock first.
We will tell you from your registration which unit you have and how it has to be read, and we
will say so plainly if yours is one we cannot do.
Vans and commercial
This is where most of our Ford work is, and where the numbers are most worth having – a van
that is not straining pulls better loaded and generally uses less fuel doing it.
Transit Custom tuning
– 2.0 EcoBlue, 2019–2026, including the 2024-on vans. Also covers Ranger.
Fleet tuning – several vans in a visit, files kept on record
Worth knowing: within a generation the lower-output vans gain the most. They share
their hardware with the more powerful versions and are separated by software, so the cheapest van in
the range is usually the one with the most left in it.
Cars
The Focus, Kuga and Mondeo share a lot of engineering with each other and with the commercial
range – the 2.0 TDCi and EcoBlue diesels in particular. The EcoBoost petrols, from the 1.0
three-cylinder up, respond well and are popular with owners who want the car to feel quicker without
touching the hardware.
The Mustang is a different conversation again, and one we are happy to have.
Gearbox as well as engine
On the automatics, a good deal of what owners dislike is gearbox behaviour rather than engine
behaviour – holding gears, lazy kickdown, hesitation pulling away. That is a separate control
unit and can be recalibrated on its own, often alongside the engine map.
Every vehicle is mapped and then verified on our own 2000bhp Mustang 4WD linked dyno at our
workshop in Maidstone, Kent, with 30 years’ trade experience and 2,200+ reviews behind us. Send
us your registration and we will tell you which engine and ECU you have, and what is realistic for
it.
JF Automotive remapped the ECU on my Ford Transit. They increased the hp and torque slightly and now it is a pleasure to drive with the power spread more evenly over the throttle range. Early signs show that mpg is about the same but I hit a lot more traffic so there is an improvement.
I have recently been back for the map to be removed so that Ford can carry out an update. The hardware caused them some problems but they bent over backwards to sort it out. I can't wait for Fords to complete their work so JFA can put the map back on. I'm missing it already.
Vic Cruttenden
Meet The Team
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