Trouble shooting codes

Tiny
BUDDYW405
  • MEMBER
  • 2000 CHEVROLET BLAZER
  • 160,000 MILES
Po1416 and po410 engine codes
what should I do first in diagnosing them
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Sunday, August 21st, 2011 AT 2:25 PM

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Tiny
RASMATAZ
  • MEMBER
Check the air injection pump check valve
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Thursday, September 1st, 2011 AT 1:37 AM

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