HAVE P0300 DTC CODE

  • Tiny
  • slem
  • 2009 Chevrolet Optra
  • 80,000 miles

Hi I have p0300 dtc code in chevrolet optra 2009 random misfire detected and the engine run hesitatingly in idle and when acceleration the engine run good

in the engine fine acceleration

Tuesday, March 20th, 2012 AT 6:20 AM

1 Answer

  • Tiny
  • rasmataz
  • Member

Random misfires are normally caused by vacuum leaks and bad fuel-Furthermore -refer to this link for additional information: http://www.2carpros.com/articles/engine-misfires-or-runs-rough

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Tuesday, March 20th, 2012 AT 8:43 AM

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