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ok my code has been on for bout 7 months tried some things but im just gonna get it programmed out.. but i put 110 octane gas in yesterday and i noticed it went off is there a reason for this?
 

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I had the same code for about a year. Replaced the charcoal cannister, the check valve, and blew out all the lines from the cannister to the evap solenoid. The code has been gone for 3 months. I couldnt believe the amount of charcoal dust that was in the lines.
 
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