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-   -   Rougth ideal when starting in the cold it (https://www.askmehelpdesk.com/showthread.php?t=533329)

  • Dec 9, 2010, 08:10 PM
    rabbitkiller54
    Rougth ideal when starting in the cold it
    It runs rought sounds like running on mabe 4 cyl for about 2 min
  • Dec 9, 2010, 08:18 PM
    rabbitkiller54
    I have 03 f250 when I start it in the cold it runs rouht
  • Dec 9, 2010, 08:21 PM
    TxGreaseMonkey

    . Replace the spark plugs, if they have not been changed recently. Review the rest of the ignition system, to ensure it's in great shape.

    . Use full synthetic SAE 5W-30 engine oil (e.g. Mobil 1 or Pennzoil Platinum).

    . Clean the Idle Air Control Valve (IACV), throttle plate, and throttle body:

    https://www.askmehelpdesk.com/cars-t...ml#post1054149
  • Dec 9, 2010, 08:24 PM
    TxGreaseMonkey

    These links may help:

    https://www.askmehelpdesk.com/cars-t...ml#post1415281

    https://www.askmehelpdesk.com/cars-t...ml#post1985158

    Use SAE 5W-40 full synthetic HDDO.

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