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2003 CAVALIER 2.2 ECOTEC MISFIRES

  • Tiny
  • dcjjjt
  • 2003 Chevrolet Cavalier

Been running great until yesterday, misfiring badly, a friends scan tool showed cyl.2 &3 misfiring, replaced coil pack and now have only slight miss but seems to be running very rich, anyone have any ideas.

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Saturday, November 25th, 2006 AT 2:58 PM

2 Replies

  • Tiny
  • brunciak
  • Member

Swap #2 and #3 injectors with #1 and #4. If the injectors are bad you will get a misfire on #1 and #4 cylinders.

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Thursday, November 30th, 2006 AT 6:57 PM
  • Tiny
  • Compass Auto
  • Member

Have your ignition module tested, and check the spark plugs.

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Saturday, March 10th, 2007 AT 9:37 PM

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