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exhaust noise

Discussion in 'Under the Hood' started by monkeydude3, December 9, 2004.

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    1. monkeydude3

      monkeydude3 Active Member

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      Hello all~
      I have a 1994 XL 4.0L OHV, and when it idles I hear a popping out of the exhaust tip and it seems like it is missing a little bit.... I wonder if the spark plugs need attention or what? thanks

      George
       
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    3. TPLYNCH

      TPLYNCH Well-Known Member

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      When was the last time they were replaced? Does the exhaust smell any different when it "pops"?
       
    4. MrShorty

      MrShorty Explorer Addict

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      If you felt so inclined, you could run a cylinder balance test to see if the fault is isolated to one cylinder. On a '94, the computer can run the test for you. See cylinder balance test at www.dalidesign.com/hbook/eectest.html
       

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