2003 Other Hyundai Models

2003 HYUNDAI
40,300 MILES • 6 CYL • 4WD • AUTOMATIC
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MARCUSBICKNELL
  • MEMBER
  • 1 POST
exhaust system smoking garage doesnt know why?
Nov 12, 2008 at 7:51 AM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,

If the smoke is blueish it will be oil, have a comp test done wet and dry to check the condition of the rings, white smoke will be coolant in the cylinders, are you using coolant? check the head gasket, or you may have a contaminant in the fuel system, change the filter and have the fuel system flushed & cleaned, start here.

Mark (mhpautos)
Nov 12, 2008 at 7:59 AM
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