2002 CHEVY SILVERADO HAVE SERVICE ENGINE SOON LIGHT ON

  • Tiny
  • BWF3
  • 2002 Chevrolet Silverado

Engine Mechanical problem
2002 Chevy Silverado V8 Two Wheel Drive Automatic 88000 miles

Have code P0411, secondary air injection incorrect, I was told that it could be the air pump, a vacuum tube, or a check valve. Any insight on where to start?

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Thursday, March 25th, 2010 AT 10:37 AM

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  • Tiny
  • dennyp
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  • 1,873 posts

P0411 is not a valid fault code for the above vehicle.

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Friday, March 26th, 2010 AT 8:48 PM

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