2006 Chevy Malibu engine code p0300.

2006 CHEVROLET MALIBU
73,000 MILES • 4 CYL • FWD • AUTOMATIC
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ROBERT C12-34
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is it possible that a blown head gasket will cause misfire problems in all cylinders.
Sep 25, 2010 at 6:11 PM
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RASMATAZ
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P0300 Random misfires-normally caused by vacuum leaks and bad gas-also check the EGR valve if its leaking
Sep 25, 2010 at 6:19 PM
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ROBERT C12-34
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  • 6 POSTS
where can i check for vacum leaks.my 2.2 does not have an egr system or valve.
Sep 30, 2010 at 6:41 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Inspect all the hoses and also check the intake manifold
Sep 30, 2010 at 7:38 PM
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