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2014 Chevrolet Impala
Includes: Bel-air
Platform: B-body & W-body

Failed Emissions

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Old Jan 31, 2017 | 11:57 PM
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MZCupe
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Default Failed Emissions
I took my 2010 Chevy to my mechanic to repair because I failed the Emissions with a P0449 code, EVAP Vent Selonoid. He in return fixed the N0X censors. My check engine light is still on. What should I do?
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Old Feb 8, 2017 | 10:59 AM
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If you can get it scanned to see what codes it has, that would at least give you a place to start.
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Old Feb 8, 2017 | 4:00 PM
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tech2
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ditto, what code is setting now?
if this is a gas engine impala...there is no oxides of nitrogen sensor....maybe a knock sensor but this has nothing to do with the evap vent solenoid.
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