E46 330 2004 E46 330ci - Rough Idle / Lambda Errors
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  1. #1
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    2004 E46 330ci - Rough Idle / Lambda Errors

    Hey guys,

    Today all of a sudden my car started feeling misfiry on idle.

    Got some screen shots:






    Presuming I've got an air leak somewhere?

    Stupidly my bonnet wasn't closed properly so I need someone to help me open it up and there is no one around at the moment.

    Bit of a long shot but can different fuel cause this error? I used v power from a different petrol station the other day, and got well below 50 mile range. I've just filled up do you think it will go away now its diluted?

    Thanks in advanced!

  2. The Following User Says Thank You to Nathb For This Useful Post:

    jrfty (07-09-2012)

  3. #2
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    Subscribed! I have rough idle too :(

    Johann
    Eibach Sportline springs, Powerflex bushes, 8.5j/10j 19" Matt black VMR V710s 235/265 Vredestein Ultralac Sessanta, All black badges, 35% tint, black front grille, lamin-x tint film on front & rear lights, 55W 7.5k HIDs, Orion V2 halo LED angel eyes, Cree reverse bulbs, 18SMD number plate lights, smoked side markers, keyhole delete, K&N panel filter, private plate, bwchiptune ecu remap. http://youtu.be/atvGNof4iB0

  4. #3
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    Quote Originally Posted by jrfty View Post
    Subscribed! I have rough idle too :(

    Johann
    Is your EML on?

  5. #4
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    No warning lights on my dash. I've got INPA but haven't managed to install it properly so can't look for codes/live data.

    My rough idle happens at cold start and the goes after engine has run for a min.

    Don't think it has anything to do with fuel mixture. Been on vpower only for over a year

    Johann
    Eibach Sportline springs, Powerflex bushes, 8.5j/10j 19" Matt black VMR V710s 235/265 Vredestein Ultralac Sessanta, All black badges, 35% tint, black front grille, lamin-x tint film on front & rear lights, 55W 7.5k HIDs, Orion V2 halo LED angel eyes, Cree reverse bulbs, 18SMD number plate lights, smoked side markers, keyhole delete, K&N panel filter, private plate, bwchiptune ecu remap. http://youtu.be/atvGNof4iB0

  6. #5
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    Quote Originally Posted by jrfty View Post
    No warning lights on my dash. I've got INPA but haven't managed to install it properly so can't look for codes/live data.

    My rough idle happens at cold start and the goes after engine has run for a min.

    Don't think it has anything to do with fuel mixture. Been on vpower only for over a year

    Johann
    I didn't trust this garage, very dodgy looking shell but I was in a unfamiliar area.

    Going to see if it clears up on its own.

    Need to get under the bonnet first to see if there is any issues, I suspect its that ruddy DISA valve!

  7. #6
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    Have you cleaned your MAF yet? Very easy to do and probably worth doing even if you haven't got rough idle
    Eibach Sportline springs, Powerflex bushes, 8.5j/10j 19" Matt black VMR V710s 235/265 Vredestein Ultralac Sessanta, All black badges, 35% tint, black front grille, lamin-x tint film on front & rear lights, 55W 7.5k HIDs, Orion V2 halo LED angel eyes, Cree reverse bulbs, 18SMD number plate lights, smoked side markers, keyhole delete, K&N panel filter, private plate, bwchiptune ecu remap. http://youtu.be/atvGNof4iB0

  8. #7
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    No not yet.

    The initial thing I was thinking of checking was for air leaks on/around the intake and DISA.

    Need to wait for someone to get home first so they can pop the hood for me.

  9. #8
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    The bowden cable is still working, but the little catches look a little ceased.

    Managed to pop the kidney grilles off and I've lubed it up for the time being, pain the arse car.

  10. #9
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    227 and 228 is classic vac leak ya long term fuel trim data in inpa may confirm it if its over +8% its enought to trigger the EML light...

  11. The Following 2 Users Say Thank You to dailydoggy For This Useful Post:

    jrfty (07-09-2012),Nathb (07-09-2012)

  12. #10
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    Quote Originally Posted by dailydoggy View Post
    227 and 228 is classic vac leak ya long term fuel trim data in inpa may confirm it if its over +8% its enought to trigger the EML light...
    Sorry to ask, but how do I navigate to the fuel trim data in inpa?

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