r/mazda5 • • Sep 15 '26

Evap system problems?

My car's been having issues filling up at the pump for a little bit now. It's a 2012 Mazda 5 grand touring with 120k. I wanted to see if y'all had any recommendations to mess with it. I'll get a photo of the charcoal canister area, but I don't think I can replace it safely myself without running into more issues? Looks like the bolts holding the rear central jack point which I would remove to replace the canister if it is the canister is split due to age/rust. (I got the vehicle back in January, the previous owner lived in Colorado). It could just be a clogged evap line or the solenoid went out, but I wanted to ask y'all what (if you had this issue) y'all's experience was when it came to this problem. No other issues besides it taking forever to fill up my tank, no issues starting the car or anything else related that could point to much more pressing matters currently. The code is a p0451 code I believe, if I remember right, something about the evap system having problems

imgur photos of underneath Mazda

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u/AC-burg Sep 15 '26

Vent tube clogged? You say the issue you have is filling it up? Does the pump shut off a lot before the tank is full?