Secondary air injection system, code p0411

2007 CHEVROLET TRAILBLAZER
150,000 MILES • 4.2L • 6 CYL • 4WD • AUTOMATIC
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BMRFIXIT
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  • 19,053 POSTS
ANY TIME
Jul 29, 2019 at 8:23 PM (Merged)
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JOHNNYT73
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It should activate 5-60 seconds after start up after a cold start-up.
Jul 29, 2019 at 8:23 PM (Merged)
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ALEX187
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Thank you so much for that picture.
Jul 29, 2019 at 8:23 PM (Merged)
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PROTECH1980
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Your welcome, let me know how it goes.
Jul 29, 2019 at 8:23 PM (Merged)