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Ford S-max 2.0 zetec tdci powershift 140 Enngine Malfunction warning, Ì warning and extremely slow throttle response from stop position

Extrovert
Extrovert
in Ford S-Max Club

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  • Author

Just connected purple with green line together using a small length of wire and horn is now working.  I am going to connect the grey one too. Will report back soon.

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    • Author

    Connected the grey wire with purple line using a short length of wire.  No difference in the pedal and engine malfunction light is still on as well as throttle position sensor error on obd2. Shall i leave them connected?

    Horn relay is gone now.  It will be interesting to know what the grey wire with purple line is for. Returned both pedals and the one with md code ordered.  Any suggestions to check wiring/fuses.  

    Thank you very much for your support Ian,  there is no way I would have been able to sort out the horn problem without your support. 

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    brake fluid level i think is the grey/violet.

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    • Author

    I will report back about me pedal.  It will be next weekend though.

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    • Author

    Brake fluid,  that explains why the warning light (exclamation mark in brackets) disappeared since i connected the broken wire.

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    • Author

    Ian, I replaced the pedal with md code but still no difference.  Engine malfunction warning is still on and obd sensor still shiw the same error codes. Any suggestions?

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    • Author

    It's driving me insane.  The only option is to order the pedal from dealers and try. However,  if it doesn't fix the issue, it's a waste of £85.

    Could there be something wrong with throttle body or the sensor attached to it?  Any electric/cables I can check?

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    i will check wiring diagrams later and get back to you with wiring checks. make a note of the wiring colours at the pedal connector. then you can use multimeter to check all the wires

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    • 4 weeks later...
    • Author

    Hi 

    Can someone please recommend a ford specialist near Huddersfield or Manchester FOR THE above issue please?

    Having spoken to one local ford specialist I was directed towards dealers and potentially faulty ecu based on verbal description.

    Second autoshop suggested blocked dpf or blocked egr after briefly assessing the car without actual assessment.  

    Another forum suggested replacement of throttle body.  

    I think the issue is above my understanding and needs to be looked at by someone who know what they are doing.

    Thanks

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