Question about 2000 Hyundai Elantra

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Hyundai Avante (Elantra) green

Why does the green oval "LB" warning light come on during driving of my 2000 Avante at speeds over 60 KPH? Thanks!

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  • japanesejack Sep 27, 2008

    Thanks amigo! That`s exactly what was happening on the Gyeongju expressway yesterday. The engine did not stop but it sure was trying which forced me to step on the gas alot more than was necessary. Thing I`ll stay off the expressway UFN! Gamsamnida! Jay

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Do u have any picture for this rubber vacum or the lb system

Posted on May 03, 2009

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Once you are over 60 KPH with the top gear the mileage of the car will improve.... the light just tells you that the speed is ideal to get the desired mileage of the car.... so dont worry about that :)

Posted on Sep 27, 2008

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A small rubber vacuum pipe connecting to the injector system / inlet manifold. Sometimes this pipe perishes and allows air to enter thus decreasing the vacuum. The engine then cuts out. It's simple to check and replace the tubing where necessary. You may also notice the engine cutting out when traveling at speed and one suddenly slows down.

Posted on Sep 27, 2008

  • tech gurus Sep 27, 2008

    Over drive off

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