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Focus randomly has more torque with engine light flashing

Adr1an
Adr1an
in Ford Focus Club

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My 2012 Ford Focus mk3 1.6 zetec has engine light on with the whole car vibrating if idle for long, whine on motorways random accelerations happen and engine light flashing during these accelerations. I have changed spark plugs, 1 injector, ignition coil with cables. If anyone knows about this problem and has a solution help would be appreciated.

  • Quote


    You need to get diagnostic codes read, otherwise you'll just be throwing money at it in the hope of stumbling on the cause.

    A diagnosis by a garage will probably cost upwards of £80 and unless it's a Ford garage their equipment probably won't be able to access all the codes. Most of us use the Forscan software which is a free download for Windows on a laptop or a small charge for a smartphone app. The Windows version will need a suitable cable and the smartphone a dongle which plug into the OBD port. @unofix will hopefully. be along shortly with full details.

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    • Like 1

    @unofix may be busy LOL Here's what he'll likely say...

     

  • Quote
    • Thanks 1
    6 hours ago, StephenFord said:

    @unofix may be busy LOL Here's what he'll likely say...

    Unofix has been very busy today with a major electrical install for a friend and just sat down with my coffee 🤣

    FOrScan: https://forscan.org/download.html

    vLinker FS cable: https://www.amazon.co.uk/Vgate-vLinker-Adapter-FORScan-MS-CAN/dp/B0952P4MLP

    Android phone dongle: https://www.amazon.co.uk/Vgate-Bluetooth-vLinker-Scanner-Diagnostic/dp/B08H82WC8L

    iPhone dongle: https://www.amazon.co.uk/Vgate-Bluetooth-vLinker-Scanner-Diagnostic/dp/B08H8JHWP2

  • Quote
    • Like 1
    • Haha 2
    23 minutes ago, unofix said:

    Unofix has been very busy today with a major electrical install for a friend and just sat down with my coffee 🤣

    I'm sure your mates rates are very agreeable 😂

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    • Haha 1
    3 hours ago, StephenFord said:

    I'm sure your mates rates are very agreeable

    Indeed they are. I'm doing the work at cost (in fact I suspect I'm actually making a loss). They are a young couple with a new baby and money is tight (as it is for many of us).

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    • Like 3
    • Author
    On 3/3/2024 at 11:30 AM, mjt said:

    You need to get diagnostic codes read, otherwise you'll just be throwing money at it in the hope of stumbling on the cause.

    A diagnosis by a garage will probably cost upwards of £80 and unless it's a Ford garage their equipment probably won't be able to access all the codes. Most of us use the Forscan software which is a free download for Windows on a laptop or a small charge for a smartphone app. The Windows version will need a suitable cable and the smartphone a dongle which plug into the OBD port. @unofix will hopefully. be along shortly with full details.

    Already been to a garage multiple times and everyone gave different answers, my only option is to change the oxygen sensors as I have multiple codes saying that system too lean and system too rich, both Bank 1

  • Quote

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