Server Lease Renewal/Software Licenses
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Showing results for tags 'b3901'.
So yesterday, noticed the CEL (check engine light) came on (not flashing, just solid amber). Pulled the codes and reset all faults. Reseated my gas cap to ensure it is fully closed. Since I was almost empty of gas, filled up (not that it is very relevant ...lol). Today, after about 40 miles or so, CEL came back on again. Originally there were 2 codes (will post update with those), but after reset, only 1 came back (I imagine the other will return soon but we will see). Pulled codes with Durametric cable/sw, and here is what I got: ENGINE B3901 Evaporative Emission System Incorrect Purge Flow - Upper limit value exceeded, test conditions are not-completed, fault is currently active and causing a DTC light Any ideas on what can be causing this error and how it can be fixed DYI? What maintenance items could be causing something like this? (my first thought - dirty air filters? - i have not checked them yet so do not know if dirty - got the car about 2 months ago). Any help is greatly appreciated. Thanks.