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fiesta mk6 missfire

craig1989
craig1989
in Ford Fiesta Club

Featured Replies

hi

have had my fiesta for a year now and has been problem after problem

my car is missfiring on cylinder 1 and 4, i had the coil pack changed 5 times and has made no diference same for the leads and the spark plugs.

when engine is running taking the spark leads off the coil pack there are no sparking/elictrics going through to 1 and 4 from the coil

i have had ford to look at it they said that it sounds like a pcm update and then when i booked it in to get the update they said that they dont want to update it as the last time they done so it made another car worse any ideas on what it might be.

when car is cold its at its worse stalls when clutch is depressed idles form 500 revs to 1000 but when car temperature is warm the car is fine only slight notice but runs although there was nothing wrong...... engine managment light on and reader said cylinder 1 and 4 missfire and intermittant coil pack and it also said something about a circuit problem have had the circuits checked though something to do with the circuits inside the coil pack lol any one know about this list of problems please help

  • Quote


    • Author

    anyone??????????

  • Quote
    hi

    have had my fiesta for a year now and has been problem after problem

    my car is missfiring on cylinder 1 and 4, i had the coil pack changed 5 times and has made no diference same for the leads and the spark plugs.

    when engine is running taking the spark leads off the coil pack there are no sparking/elictrics going through to 1 and 4 from the coil

    i have had ford to look at it they said that it sounds like a pcm update and then when i booked it in to get the update they said that they dont want to update it as the last time they done so it made another car worse any ideas on what it might be.

    when car is cold its at its worse stalls when clutch is depressed idles form 500 revs to 1000 but when car temperature is warm the car is fine only slight notice but runs although there was nothing wrong...... engine managment light on and reader said cylinder 1 and 4 missfire and intermittant coil pack and it also said something about a circuit problem have had the circuits checked though something to do with the circuits inside the coil pack lol any one know about this list of problems please help

    Look in the other section you started with the same fault!

  • 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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