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Old 09-01-2012, 07:03 AM   #3
Ventmaster


 
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Drives: 2017 1SS 6spd
Join Date: Jan 2011
Location: Utah
Posts: 3,016
Powertrain - Auxiliary Emission Controls - ISO/SAE ControlledDescriptionEVAP Vent Solenoid Control Circuit Conditions
CauseEngine speed over 600 rpm, system voltage from 6-18v, then the PCM detected that the Actual and Commanded state of the Vent Control solenoid control circuit did not match for over 5 seconds


Emission system stuff is supposed to be good for 100,000mi.

But I've seen stuff like this and other "purge valves" not covered beyond 3 yrs.

Use your reader to clear it and perhaps disconnect the battery as well to reset the "control circuit", then see if it returns.

If it does, I'd take it to the dealer and play dumb. If he tries to charge, be ready with a littany of federal emission longevity requirements (they're outlined in your owner's manual) and hope for the best.
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