I recently replaced my secondary air injection system on my 2007 Impala. I have driven my car over 350 miles to get the monitors to reset. The EVAP system monitor is the only one that still need to be reset. I need to get my car smogged so I can get it registered here in Vegas and they wont let it pass unless all monitors are ok. What can I do to get this montior to reset?
Thanks

Chevrolet
-Impala 2007
-2WD
-3.9L
-LT

 

I asked the same question about my 04 Silverado, I replaced the vent valve solenoid and my scanner said the evap system was not ready. I was told that the evap system is very slow to reset and to keep driving. That said, my truck was showing no code when I took it in for inspection and it passed.

 

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I'm sorry you are experiencing this issue with your vehicle. Did you replace the injection system yourself or did you have the work done at your local dealer?

Louis
GM Customer Service