Advertisement
If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)
Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie
Please note that it is not permitted to have referral links posted in your signature. Keep these links contained in the appropriate forum. Thank you.

https://www.boards.ie/discussion/2055940817/signature-rules
Hi there,
There is an issue with role permissions that is being worked on at the moment.
If you are having trouble with access or permissions on regional forums please post here to get access: https://www.boards.ie/discussion/2058365403/you-do-not-have-permission-for-that#latest

2011 Mazda 6 2.2D - erratic idle

  • 08-01-2018 12:59pm
    #1
    dodzy
    Registered Users, Registered Users 2 Posts: 10,153 ✭✭✭✭


    Hi folks,

    where would you look? No lights on dash but car idles erratically (fluctuated between 650 and 850rpms. Drives fine but cuts out at lights or when stopped in traffic. No apparent power issues-car drives fine. No codes with generic OBD reader.


Comments

  • #2
    mullingar
    Registered Users, Registered Users 2 Posts: 5,340 ✭✭✭mullingar


    Oh oh....

    This engine is unfortunately known to self destruct.

    Have you had any oil warning lights appear when idle? Is the engine noisier on idle?


    Hopefully its a minor fuel issue though...


  • #3
    Atlantic Dawn
    Registered Users, Registered Users 2 Posts: 84,735 ✭✭✭✭Atlantic Dawn
    M


    Any idea if battery would be very low if car was sitting idle or used on very short few mile runs this weather?


  • #4
    biko
    Registered Users, Registered Users 2 Posts: 81,220 ✭✭✭✭biko


    Disconnect the battery a few mins and see if this helps when ECU resets.

    This may cause your radio to ask for a code when you start up again.


  • #5
    cournioni
    Moderators, Regional North East Moderators Posts: 12,739 Mod ✭✭✭✭cournioni


    Abnormal idle and hunting can be caused by a faulty suction control valve on the high pressure pump.


  • #6
    dodzy
    Registered Users, Registered Users 2 Posts: 10,153 ✭✭✭✭dodzy


    mullingar wrote: »
    Oh oh....

    This engine is unfortunately known to self destruct.

    Have you had any oil warning lights appear when idle? Is the engine noisier on idle?


    Hopefully its a minor fuel issue though...

    No warning lights of any description and no stores codes.
    Atlantic Dawn wrote: »
    Any idea if battery would be very low if car was sitting idle or used on very short few mile runs this weather?
    No, constant use. Albeit short runs. Owner gives it a good run though, weekly.
    biko wrote: »
    Disconnect the battery a few mins and see if this helps when ECU resets.

    This may cause your radio to ask for a code when you start up again.

    Will do, cheers Biko.
    cournioni wrote: »
    Abnormal idle and hunting can be caused by a faulty suction control valve on the high pressure pump.

    I'd say there's probably a price tag attached to this :o

    Many thanks for the input lads.


  • Advertisement
Advertisement