2002 Dodge Ram mil light on

2002 DODGE RAM
88,000 MILES • V8 • 4WD • AUTOMATIC
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DELTA2778
  • MEMBER
  • 1 POST
light came on in my truck. I know it has to do with the emmissions When a friend of mine read the code it came up 491 ( secondary air injection system malfunction bank 1) Any Suggestions Thanks
Dec 27, 2007 at 9:29 AM
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BLACKOP555
  • ✓Experienced Mechanic
  • 10,386 POSTS
check your air pump and the vaccum lines for a leak.
Dec 27, 2007 at 10:50 AM
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