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Thread: just got lpg insalled and traction control is disabled

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    Default just got lpg insalled and traction control is disabled

    i just had lpg installed on my vy wagan and the mechanics disabled the traction control is there a reason for this
    thanks



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    Firstly before you read any further, i dont totaly understand how the TC works on the VY but know its pretty advanced.

    The first thing that came to my mind was that some TC systems work by switching off the fuel injecters killing the fuel delivery and /or retarding timming therefore stopping wheel spin. Your LPG system most likely does not have this facility.

    Id say, if TC ok on petrol and Disabled on gas that that is most likely the reason.

    If is disabled on both fuels id be really worried.

    Read this thread about TC not working.

    Bear in mind that LPG systems tap into the oxygen sensors, TPS and some systems also into the CAI.

    If its just off on gas and all ok on petrol its just the way the conversion works.
    Last edited by Godzilla; 13-07-08 at 12:30 AM. Reason: added retarding timming

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    how much is a conversion these days?

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    2900

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    is that with the grant?
    if not how much is the grant?
    looking at getting my car done soon

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    Ok just had a read about the vy traction control and it works by retarding the ignition advance (timming).

    Is it direct injection or a vapour system?

    Edit read this

    Ford...

    Holden VY....

    And this...

    Its perfectly normal........
    Last edited by Godzilla; 13-07-08 at 01:48 AM. Reason: added

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    its the impco vapour system and the total cost to me was 900 for the lpg and 130 for new leads and plugs

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    does lpg change much performance wise?

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    I hardly notice the difference

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    Quote Originally Posted by boily View Post
    its the impco vapour system and the total cost to me was 900 for the lpg and 130 for new leads and plugs

    That sounds way too cheap for the vapour injection system fully installed.

    Could be why you are having problems?

    $4300 is what I was quoted and got it for $4000 cause I did two.

    And....I also have traction control etc and it is a perfect job.




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    Yeah agree, that is a stupid cheap price.
    That was the running price 10 years ago
    ah well, well done to you i guess

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    Quote Originally Posted by boily View Post
    its the impco vapour system and the total cost to me was 900 for the lpg and 130 for new leads and plugs
    That sounds right for a vapour system (old school), not a vapour injection system (semi new school) as Zed is discussing.

    The system is not advanced enough to control the TC as in my previous post and links.

    If another few $K were spent the TC would operate as Zed's system is more advanced.

    For afew extra $ on top of what Zed spent he could have had direct port injection and had even more power and economy.

    You get what you pay for.........

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    Traction is out with gas, from the Ford AU's and up and Holden's too
    Thats normal

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    Quote Originally Posted by Jaz808 View Post
    Traction is out with gas, from the Ford AU's and up and Holden's too
    Thats normal


    So...If i buy a factory fitted LPG on a Ford or Holden it wouldn't have it?


    NAH........that can't be right, surely?





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    Quote Originally Posted by Godzilla View Post
    The first thing that came to my mind was that some TC systems work by switching off the fuel injecters killing the fuel delivery and /or retarding timming therefore stopping wheel spin. Your LPG system most likely does not have this facility.
    In the Ford AUII and Holdens it cuts the fuel. This is why running on LPG, traction control does not function. It's disabled by default.

    Dual fuel cars are the same, when running on petrol TC cuts the fuel, this cannot be done on GAS. Not yet anyway

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    Quote Originally Posted by intelliGEORGE View Post
    In the Ford AUII and Holdens it cuts the fuel. This is why running on LPG, traction control does not function. It's disabled by default.
    Sounds like a good reason not to buy a Holden or Ford......


    Quote Originally Posted by intelliGEORGE View Post
    Dual fuel cars are the same, when running on petrol TC cuts the fuel, this cannot be done on GAS. Not yet anyway
    That is not the case for my dual fuel cars, mine have fully functional traction control and LPG conversion with dual fuel.


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    Quote Originally Posted by Unlucky LPG Customer
    Unfortunately, I wrote off this car (at 50km/h...) It was converted to dual-fuel a week or so after I got it, and when they do this the traction control is disabled when it is running on LPG (I think to prevent backfiring?) so be cautious when on the wet road!
    He found out the hard way LOL

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    Quote Originally Posted by z80 View Post
    So...If i buy a factory fitted LPG on a Ford or Holden it wouldn't have it?


    NAH........that can't be right, surely?





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    Oh yes its very true.

    If they fitted a decent system, not those cheap out of date vapour rings on the intake pipes from back in the late 80,s early 90's there wouldnt be a problem.

    The system is like the one fitted in your Volvo Zed

    As i said you get what you pay for.....

    Intelligeorge, the newer vy retards timming, holding off power for 4 seconds....good news is its reprogrammable for less time
    Last edited by Godzilla; 14-07-08 at 02:24 AM. Reason: added

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    yeh on both cars it cuts out injectors to lower the power output to the wheels while applying slight brake pressure to the wheel with the least traction
    if it wasnt disabled the engine would still rev (on gas) and the brakes would be tring to slow the wheels down = burnt brakes unhappy car

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