Mechanics

WHAT IS PO300 IN A 3.0 V6 SIDI OMEGA

2010 Holden Other • 1,700 miles

Number 1, 3, 5 is working but not 2, 4, 6 not firing
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Brucey 78
January 23, 2012.



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

Rasmataz
Jan 23, 2012.
But y cylinders 2, 4, 6 not firing?

Tiny
Brucey 78
Jan 23, 2012.
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

Rasmataz
Jan 23, 2012.