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Thread: High Tickover

  1. #11
    NostraJackAss Jack@European_Parts's Avatar
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    Diesels can have false air leaks too or fuel.

    Verify the EGR circuits are not stuck open or anything else like a TV control with carbon.

    You could also have faulty injectors where more fuel is administered than needed and raises the idle.

    Indeed a weak battery maybe being tried to be compensated for as aforementioned.

    Are any loads on but not actually on such as air conditioning or a regen from high ash/soot?
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  2. #12
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by Jack@European_Parts View Post
    Diesels can have false air leaks too or fuel.
    Yes, but I would not expect an air leak on a diesel to increase the idle RPM...

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  3. #13
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    OK thanks, I will check EGR first. If Stephen Hawkings managed to succeed, then so will I..eventually. :-)

  4. #14
    NostraJackAss Jack@European_Parts's Avatar
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    Yes, but I would not expect an air leak on a diesel to increase the idle RPM...

    -Uwe-

    Oh no we are showing our age Uwe!

    All depends if it is open traditional manifold or being controlled with a TV and or "control off" assistance flap.


    Side note!
    When playing experimental HCCI or CF gasoline, I can tell you, you want that shut off device or control of air!

    RUN AWAY!
    European Parts Emporium/Performance / Immobilizer Solutions EPE
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    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
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  5. #15
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    I'd be interested in how you get on with this. I have T5 Transporter too, but no DPF on my old '04. Mine had started doing some odd things at idle that to me sounded like a load had been applied. So in a way it was almost the opposite to yours in that the idle was normal most of the time but then would dip. If you are happy experimenting with VCDS and at your risk you could try what I did and code out the load sensing function in the J519 just to see if it makes a difference. On mine this stopped the alternator DF code being set and stopped the idle speed dipping.

    I'm absolutely not saying this is a cure, I think I may need a J519 or an alternator but I do seem to have a temporary fix. It would be interesting to know what battery voltages are showing in the J519 on your van, mine was showing 17.7v! But this mad voltage wasn't duplicated in any other controller.

    http://forums.ross-tech.com/showthre...nagement-fault

  6. #16
    NostraJackAss Jack@European_Parts's Avatar
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    I'd be interested in how you get on with this. I have T5 Transporter too, but no DPF on my old '04. Mine had started doing some odd things at idle that to me sounded like a load had been applied. So in a way it was almost the opposite to yours in that the idle was normal most of the time but then would dip. If you are happy experimenting with VCDS and at your risk you could try what I did and code out the load sensing function in the J519 just to see if it makes a difference. On mine this stopped the alternator DF code being set and stopped the idle speed dipping.

    I'm absolutely not saying this is a cure, I think I may need a J519 or an alternator but I do seem to have a temporary fix. It would be interesting to know what battery voltages are showing in the J519 on your van, mine was showing 17.7v! But this mad voltage wasn't duplicated in any other controller.

    http://forums.ross-tech.com/showthre...nagement-fault

    That qualifies as a defeat device if done...........
    European Parts Emporium/Performance / Immobilizer Solutions EPE
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    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
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  7. #17
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by Jack@European_Parts View Post
    That qualifies as a defeat device if done...........
    ... which is legal if used solely for diagnostic testing purposes.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  8. #18
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    ^^^^^ All a bit techy for me at this stage :-) I'll stick to my toothbrush and carbon cleaner first! Hoping to take off EGR this weekend. I will report back.

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  10. #19
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    Quote Originally Posted by Jack@European_Parts View Post
    That qualifies as a defeat device if done...........
    In the UK as long as you are not compromising safety or defeating an emissions device it's all tickety boo.

  11. #20
    NostraJackAss Jack@European_Parts's Avatar
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    Altering all aforementioned is altering an emission's device & since the DF load circuit is calculated or compensated for SMOG output.
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

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