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Firmware Update

natedawg8t6
natedawg8t6
in General Ford Related Discussions

Featured Replies

Hello All,

I want a software update on my Cmax and took it to my local stealers last week. They told me they couldnt do it because they couldnt connect to the ECU. i think this is abit of bull tbh because i had to reprogramme an injector about a month ago and i had no problems.

Is it actually worth having the firmware update? What are the pros and cons?

Thanks in advance

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    firmware updates can offer you some benefits, such as improved MPG and driveability, and depending what else is updated, handling can feel improved too, but to be honest, if it aint broke...

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    • Author

    My mpg aint the best at the mo. 42mpg running round 49-50mpg on a run. Driving a 1.6tdci cmax. Wonder why they cant connect to the ECU when I can....

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    it could be a number of things, if the OBDII port had a loose connection at the time? alternatively, it could have been an inexperienced 'mechanic' who was connecting to the car.

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    • Author

    Just baffled me, because like I said I connected to it a month or so ago to program an injector

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    Does the car connect now?

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    • Author

    Yes....unless ford are trying to connect to a different system...

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    lol, maybe they are trying to connect the USB to your side of the car, and the OBDII to the serial?

  • Quote

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