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ECU Problem?

Aliquis
Aliquis
in Ford Focus Club

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I have an Focus mk2 2.0 tdci 2007, my turbo doesn't work because i don’t have 12v in electric valve. All components are checked. New turbo, new electric valve (3 pieces), new hoses. I also checked the car's ecu, it gave me 2 options (sid803 and sid 803a ) on the chassis series, and I had another option on the car. I mention that the color of the screen on the board is green. Someone told me that if it's red, it's SID803A, and if it's green, it's SID803…so, i changed with SID803, but nothing changed. What can I do?

  • Quote


    Welcome, but I have to say I'm confused (It looks like lost in the translation, sorry?)

    Don't understand the colour/SID thing but someone might?
    If all these parts have been changed (by a garage?) then has a proper diagnosis been done or was it just a parts cannon being fired (where components are just changed by guessing)?
    What fault codes are you getting and what performance issues are there?
    Do you mean the turbo variable vanes are not operating?  If so, the reasons for this need to be determined?

  • Quote
    • Like 1

    Plug into FORScan and read the DTCs

    Then come back to us.

    As @Shearers says, we can't really get what you are saying, sorry

  • Quote

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    The "Digestive"

    • The Digestive Forum Roundup (24th May - 31st May 2026)

      Steve ·
      The Digestive Forum Roundup (24th May - 31st May 2026) We hope this email finds you well and enjoying your week. As always, our forum has been buzzing with activity, so we’ve compiled the highlights for you. Plenty of interesting discussions are taking place, especially around the Ford Focus and Fiesta models. Starting off with the Focus, many members have been discussing issues with the Emergency Call System, particularly in the Mk4 model. PLB raised concerns about persistent malfunctions, a se
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