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Thread: signs of a blocked catalytic converter

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    Lightbulb signs of a blocked catalytic converter

    What symptoms or signs would you get from a blocked catalytic converter?
    Anyone had this problem? what did you notice?

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    Youll start loosing power, engine wont want to rev..

    what signs are you getting?

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    No sign's as such, just wanting to hear other peoples experience with blocked cats to see if anything sounds familiar
    Last edited by bandit10; 09-04-2010 at 03:16 PM.

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    Quote Originally Posted by Kurtp View Post
    Have you tried to give the tranny a service first? =|

    And checked the error codes?
    Yes i have thanks, that was the 1st thing i did

    This thread is not about my transmission thought, its about blocked cats.
    I was hoping to hear from people that have experienced a blocked catalytic converter and the symptoms it produced

    Thanks

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    Dont know if mines blocked or not but it rattles like hell. Sounds terrible, its off the road for now though.
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    A blocked cat will reduce performance and increase fuel consumption. The sound will also change to a "ffffttttttttt" sort of noise. The engine pipes will get really hot too. The easiest way to tell if you ahve a blocked cat is to do a temperature test, if it is hotter at the front of the cat, it is blocked, if it is the same temp front and rear, it is not working or it's hollow, if it is at least 10% hotter at the rear it is working.

    Drive the car hard around the block, then while holding the revs up to 2000rpm, test the cat.
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    Quote Originally Posted by Not_An_Abba_Fan View Post
    A blocked cat will reduce performance and increase fuel consumption. The sound will also change to a "ffffttttttttt" sort of noise. The engine pipes will get really hot too. The easiest way to tell if you ahve a blocked cat is to do a temperature test, if it is hotter at the front of the cat, it is blocked, if it is the same temp front and rear, it is not working or it's hollow, if it is at least 10% hotter at the rear it is working.

    Drive the car hard around the block, then while holding the revs up to 2000rpm, test the cat.

    Awesome advice thats mate, now i just need to find a thermometer suitable to do the test.

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    An exhaust shop will have one and a cat test is usually free.
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    Quote Originally Posted by 191kieran191 View Post
    contact Not an abba fan he is the best
    Nuff said really.

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