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Thread: Function of Exhaust pipe in air cleaner(corolla 86

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    Default Function of Exhaust pipe in air cleaner(corolla 86

    yester day i took my car to the mechanic as it emits smoke from air cleaner(as i guess). the mechanic checked the car and told me that the exhaust pipe is broken. then he sealed that opening of exhaust from the air cleaner and told me there will be no harm to the car by closing it.
    What the experts say about it? is he right?
    what is the functionality of exhaust pipe in air cleaner?

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    @attiqs
    Well that pipe is connected to a valve and it is known as EGR valve or Exhaust Gas Recirculating valve.

    It looks like your Cars EGR valve is malfucntioning and needs changing.

    The purpose of this valve is to allow a small amount exhaust gas to re enter the engine. only after the engine has reached a certain operating temperature not when it is cold.

    It is good cause it helps keep NOX levels to a low or reduced level which start to occur when temps reach 2500 degrees F and are main cause of pollutants.

    It also helps quench the high octane thirst your engine has and keep the octane levels low so you can use lower octane fuel.
    "The value of life can be measured by how many times your soul has been deeply stirred." Soichiro Honda

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    hmmm, I didn't know that!
    "The rough, hard idle swells up and out from under the car, ricochets off other cars, and rams into the ears of the driver, the spectators. You think twice about a 383 Road Runner, but a hemi only once -- and let it pass."

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    same prb with my car there is a pipe underaircleaner which throws smoke and mechanic says its the sign of weak engine althought the silencer is throwing water ..i dont know what really it is !
    n forever shall the wolf in me desire the sheep in you!

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    It is basicly EGR valve malfunction
    "The value of life can be measured by how many times your soul has been deeply stirred." Soichiro Honda

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    where it placed?EGR valve

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    it is mostly located near the intake manifold or before.
    "The value of life can be measured by how many times your soul has been deeply stirred." Soichiro Honda

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    Thank you Racerf1 for nice information.

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    when did u buy this 86 corola.. i sold mine 5 to 6 months back..
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