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Old 07-30-2007, 10:45 PM
bobbyboy-g bobbyboy-g is offline
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Re: 2003 Impala engine knock

Hey Iflylow, i changed the plugs and the wires on sunday and it did not stop the knock...i started the car a few hours ago and it seems to make a rat a tat rat a tat sound ending with a thump sound....it is coming from the engine just under the intake manifold area..i pulled the spark plug wire again and the knocking stops, it seems to actually run better without that wire on...when i put it back on car knocks and runs rough...thanks for replying...bobbyboy-g
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