WHAT IS PO300 IN A 3.0 V6 SIDI HOLDEN OMEGA

  • Tiny
  • brucey 78
  • 2010 Holden
  • 1,700 miles

Number 1, 3, 5 is working but not 2, 4, 6 not firing

Monday, January 23rd, 2012 AT 2:26 PM

3 Answers

  • Tiny
  • rasmataz
  • Member

P0300-Random misfires is normally caused by vacuum leak and bad fuel

No references on this vehicle but check if it has a crankshaft positioning sensor-if so check and test it-

Also go to this link for more information: Engine Runs Rough or Misfires

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Monday, January 23rd, 2012 AT 2:36 PM
  • Tiny
  • brucey 78
  • Member

But y cylinders 2, 4, 6 not firing?

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Monday, January 23rd, 2012 AT 2:47 PM
  • Tiny
  • rasmataz
  • Member

Could be injectors are not firing on that side, or the CPS not telling the computer to fire the coils for those cylinders and ignition control module/vacuum leak

Also refer to this link: http://www.2carpros.com/articles/engine-misfires-or-runs-rough

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Monday, January 23rd, 2012 AT 9:32 PM

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