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Stock Motor but running rich

Discussion in 'ECU's, Electronics, and Tuning' started by YouKnowWhoIBee, Aug 4, 2006.

  1. YouKnowWhoIBee

    YouKnowWhoIBee my avatar is better.

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    I put a new d15b7 in my dx but i smell gas at higher roms. What could be the issue? I know it is a broad question but i am willing to try anything to fix it. Post some ideas :)
     
  2. MikeBergy

    MikeBergy Blah blah blah....

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    bad catalyst? exhaust leak before the cat? blown muffler bearing? (the last one isn't real ,lol)
     
  3. YouKnowWhoIBee

    YouKnowWhoIBee my avatar is better.

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    so basically frin' up theexhaust joints with some new gaskets and bolts? i didnt know that would make it rn rich. Nore did i know the catalytic converter ewould aid in me running rich. Is that why my gas milage all of a sudden blows?
     
  4. MikeBergy

    MikeBergy Blah blah blah....

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    It may not be that you are necessarily running rich, but just smelling the exhaust before it hits the cat. But if you are getting poor gas mileage, you may have a different problem. Have you replaced/cleaned your air filter recently? I know that my CAI get a lot dirtier than a normal filter, and a lot quicker too. It was nasty, and was causing me to run a bit rich.
     
  5. YouKnowWhoIBee

    YouKnowWhoIBee my avatar is better.

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    [​IMG]

    thats the issue :) big ass hole in the muffler. I replaced it and it runs as quiet as a ... fox :)
     
  6. MikeBergy

    MikeBergy Blah blah blah....

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