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Eva. code keep showing on my obd2.

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eva. code keep showing on my obd2.
Submitted: 8 years ago.Category: Chevy
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Answered in 3 minutes by:
6/29/2010
Chevy Mechanic: David, Chevy Technician replied 8 years ago
David
David, Chevy Technician
Category: Chevy
Satisfied Customers: 155
Experience: 14 years Chevy Tech
Verified
What code do you have for the evap system?
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Customer reply replied 8 years ago
it flashes code yellow, not red-but it will go green.
Chevy Mechanic: David, Chevy Technician replied 8 years ago
What is flashing?
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Customer reply replied 8 years ago
obd2 scanner,i am sorry about going green , it will not go green.green mean all code are clear. when i hook it up it flashes yellow.
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