2002 Chevy Silverado Have service engine soon light on

Tiny
BWF3
  • MEMBER
  • 2002 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
  • 88,000 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

1 Reply

Tiny
DENNYP
  • EXPERT
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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