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Old 07-14-2013, 05:46 PM   #26
Fir3Fighter
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Location: Parkersburg, WV
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2003 Impreza WRX
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Quote:
Originally Posted by APM Tuned View Post
Check the purge canister and the relief valves in the tank...if you ever filled up and the pump clicked, then you held it again, and again...you can ruin that canister and the valves can get damaged.

Had that happen once with a client and manoman was that a pain to go through. Tank was dropped and almost everything was replaced THEN the car was great...but he also had an issue with his brothers car (he did the same thing) where the fuel pump sending unit was getting faulted anytime the leveler would move UP (and only up)...there is absolutely no reason for that but hey, a new carrier fixed it.

-Mark
I am having this problem... when I go to get gas it shuts off after like 5-10seconds.... idk wtf to do...I have to full my gas up?
I'm going to order a new gas cap first but I checked/cleaned the sensor by the evap canister but can't take it off to check the canisters because the bolts are rusted -_-
I will just have to keep checking and hoping after I replace part after part it will be fixed... help please
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Old 07-15-2013, 02:05 PM   #27
APM Tuned
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Originally Posted by Fir3Fighter View Post
I am having this problem... when I go to get gas it shuts off after like 5-10seconds.... idk wtf to do...I have to full my gas up?
I'm going to order a new gas cap first but I checked/cleaned the sensor by the evap canister but can't take it off to check the canisters because the bolts are rusted -_-
I will just have to keep checking and hoping after I replace part after part it will be fixed... help please
Sometimes, that's how it works, you need to go piece by piece...however...in your case it's probably the canister. There are purge valves and relief valves, vents and a moderate amount of hoses under there, you can either call up the used parts specialists (PMP, Millenium, Oak Leaf or whomever) and have them send you a used, complete unit...or go about doing the way you have been.

It sounds like a venting issue, too much pressure is being built up before it's properly dispersed into the system. Once again, this can be a cause from overfilling if the canister is damaged, time to dig a bit deeper.

-Mark
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Old 07-15-2013, 02:05 PM   #28
APM Tuned
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R.R.-WRB

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OR! things just happen....not necessarily something that you had prompted for the failure...parts just go bad at times.

-Mark
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Old 07-15-2013, 02:30 PM   #29
Fir3Fighter
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2003 Impreza WRX
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Quote:
Originally Posted by APM Tuned View Post

Sometimes, that's how it works, you need to go piece by piece...however...in your case it's probably the canister. There are purge valves and relief valves, vents and a moderate amount of hoses under there, you can either call up the used parts specialists (PMP, Millenium, Oak Leaf or whomever) and have them send you a used, complete unit...or go about doing the way you have been.

It sounds like a venting issue, too much pressure is being built up before it's properly dispersed into the system. Once again, this can be a cause from overfilling if the canister is damaged, time to dig a bit deeper.

-Mark
Thank you for your help brother, I was curious and when I went to fill my gas up it did it so I reached down and pulled off the hose that leads into the canister and it vented and worked fine so it is the canister. I will contact someone about getting a used one. Once again thank you.
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Old 07-15-2013, 05:54 PM   #30
APM Tuned
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R.R.-WRB

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Quote:
Originally Posted by Fir3Fighter View Post
Thank you for your help brother, I was curious and when I went to fill my gas up it did it so I reached down and pulled off the hose that leads into the canister and it vented and worked fine so it is the canister. I will contact someone about getting a used one. Once again thank you.
No problem, glad I can help, hopefully more people find resolution with these types of threads too. I too was once on that side of the counter, hell, google is still sometimes my bestestfwend.

-Mark
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Old 10-05-2013, 06:02 PM   #31
origin503
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Finally got this issue fixed. I reset the code but it kept coming back ~100 miles into a new tank of gas. So I tried the new fuel cap fix but it still came back. I got a smoke test done on the evap system and found a hose not connected.

If you follow the hose (on the bottom of the circular object in the 1st pic) you will find it connects to a blue nipple (2nd pic)- this was not attached. We reattached it and the code has not come back since.


I have been browsing the forums for some time now and just wanted to say thank you. I've had the same evap code for some time. We put the car up and found the control system had a hose disconnected, the filter was filled with dirt. So we cleaned it out, re attached and still had the code. Then I saw your pics of the blue nipple, mine is broken off, completely. I'm getting a new one and think I should be good to go from there. Thanks again!
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Old 04-15-2014, 07:43 PM   #32
Ssj
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Had this CEL (P0442) on my 2002 Forester. I tried resetting it, but it would come back the same day after less than 10 miles of driving. On the weekend I got under the car and had a good look around the evap canister. Pulled a few lines, blew into some others. Under the hood I found the vacuum line from the intake manifold to the fuel pressure regulator was loose and looking a bit dried, so I replaced it. Anyway the code hasn't come back for a whole day.
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