have p0300 dtc code

2009 CHEVROLET OPTRA
80,000 MILES
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SLEM
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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
Mar 20, 2012 at 6:20 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
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  • ASE Certified Mechanic
Random misfires are normally caused by vacuum leaks and bad fuel-Furthermore -refer to this link for additional information: https://www.2carpros.com/articles/engine-misfires-or-runs-rough
Mar 20, 2012 at 8:43 AM
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