2006 HUMMER H2 ENGINE LIGHT

  • Tiny
  • liotfan
  • 2006 Hummer H2

Engine Mechanical problem
2006 Hummer H2 V8 All Wheel Drive Automatic 95.000 miles

engine light came on checked with analyzer found p0300 code multiple cyl misfire changed coil packs, plugs, wires, ran awhile light back on same code, motor seems to run fine also changed gas cap to no avail sometimes light goes out then under heavy acceleration light comes on

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Tuesday, June 1st, 2010 AT 5:39 PM

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  • Tiny
  • rasmataz
  • Member

P0300 Random misfires normally caused by vacuum leaks and bad fuel

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Tuesday, June 1st, 2010 AT 6:37 PM

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