308 Hdi new battery and now warning light mystery
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  1. #1
    Fellow Frogger!
    Join Date
    Apr 2003
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    Default 308 Hdi new battery and now warning light mystery

    The 2010 308 hdi needed a new battery last week...six plus years is a pretty good life I thought.

    Had the new battery installed, reset the clock and didn't need to reset the radio as it had kept it's tuning...

    and now two days later the auto diagnostic engine symbol light comes on ( the log shows "anti pollution fault"), and the cruise control / speed limiter doesn't want to play ball either.

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    Are these events connected...do I need to reset something??

    All informed advice appreciated.

    John

  2. #2
    Fellow Frogger!
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    Default

    Sounds like the air flow meter has been left disconnected you need to remove the air box to replace the battery, the air flow meter is fitted to the air box.


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  3. #3
    Tadpole
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    I agree with @turbo pug -- check the air flow meter connection


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  4. #4
    Fellow Frogger!
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    Thanks turbo pug and nikosmykoniaths.

    I will look into air flow meter connection tomorrow!

    Cheers

    John

  5. #5
    Fellow Frogger!
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    Default Partial progress only!

    Quote Originally Posted by bahay View Post
    Thanks turbo pug and nikosmykoniaths.

    I will look into air flow meter connection tomorrow!

    Cheers

    John
    Connected the air flow meter plug and tested the 308 Hdi today.
    On the positive side the cruise and speed limiter now work, but sadly the 'anti pollution fault' message still comes up and the engine symbol illuminates.

    Could there be any other plug not properly connected or a process to reset the system which needs to be followed?

    Or is it off to the dealer?

    John

  6. #6
    Fellow Frogger! Roland's Avatar
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    Default

    You may have to cycle the car through a minimum of 5 starts and stops to get the computer to recognize that the fault no longer exists.

    I had a broken wire to the rear of the DPF which gave a pollution fault and after repairing the wire and going through 5 cycles the fault no longer registered.
    Land Rover Discovery 4
    406 Coupe D9 - Manual (2002)
    307 Hdi Estate - Auto - (2007)
    307 Hdi Sedan - Auto - (2007)
    505GR Estate - Personal Import from UK 1971cc Manual (March 1986)
    405 Mi16x4 (all the parts ready to install into the LeMans body)

  7. #7
    sans witticism SLC206's Avatar
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    Default

    Yep, my guess is a number of successful starts before it resets.
    Regards,

    Simon

    2018 308 GTi 2011 DS3 DSport
    ----
    2014 208 GTi 2007 207 GTi 2004 206 GTi180 2000 206 GTi 1995 306 XT

    www.peugeotclub.asn.au

  8. #8
    Fellow Frogger!
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    Thanks Roland, SLC 206,

    She started with a clear screen this morning...4th after reconnection...all good.

    Cheers

    John

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