I have had an evap code for the past month or so (slow leak). I first got it on a trip in July and reset it a couple of times, but it came back on the next drive. I let it stay on for a month and then reset it again last week, and it hasn't come back in a week.


When the code appeared I was on a trip and was around sea level. But I live at around 4,000ft elevation. Any idea if the lower elevation could have caused it? I will see if it comes back but I'm wondering if it may have just had something to do with atmospheric pressure.

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2003 3.0 5MT Topasblau
Purchased in 2016 and sold in 2024
2012 35d Platingrau