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2005 CTT - Check Engine Light with Code Came on - Pls Help

ciaka
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ciaka Member

ciaka

Posted
Posted

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.

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hahnmgh63 Member

hahnmgh63

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Posted

My guess also would be the Evaporative solenoid. Second one is possibly a bad gas cap but that is less common to the Solenoid. I have a new Solenoid waiting for the imminent failure so it will be ready to go.

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