SHOWING A P0301 TROUBLE CODE MISFIRE ON CYLINDER 1

  • Tiny
  • heysecret
  • 2006 Saturn Ion
  • 128,000 miles

I have a 2006 Saturn ion - my autoxray machine shows no power to injector #2 the injectors ohm out ok

The car runs rough at start up and idol and has trouble accelerating but runs smooth when up to speed I have also installed new spark plugs.

Tuesday, November 22nd, 2011 AT 5:00 PM

3 Answers

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,310 posts

That is a cylinder 1 misfire. Check compression in that cylinder, check coil. If you already replaced the plugs, check to make sure it is getting a good hot blue snapping spark to that cylinder and make sure the injector is getting power.

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Tuesday, November 22nd, 2011 AT 5:01 PM
  • Tiny
  • saturntech9
  • Expert
  • 28,429 posts

Just to add to this one I have seen some of the newer ions have low compression on a cylinder causing a dead hole. Also as far as checking the injector circuit best to use a noid light it shoukd flash while cranking and not stay on solid.

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Tuesday, November 22nd, 2011 AT 5:45 PM
  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,310 posts

That is what I was thinking too, Saturntech. Thanks for the input.
Joe

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Tuesday, November 22nd, 2011 AT 5:52 PM

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