2004 Chevy Monte Carlo check engine light

2004 CHEVROLET MONTE CARLO
96,000 MILES • 6 CYL • FWD • AUTOMATIC
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GIGGLES2169
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  • 1 POST
P0455 Evaporative Emission Control System Leak Detected (gross leak)
How can I go about figuring out were the leak is?
Oct 29, 2008 at 10:47 AM
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DLOBI
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  • 125 POSTS
Something as a missing gas cap can trigger an evap system leak.
If the leak isn't very obvious the system can be checked by a tech with smoke to find the leak.
Oct 29, 2008 at 11:27 AM
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