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Old 03-29-2021, 09:50 PM   #1
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Originally Posted by ike84 View Post
No, don't delete the purge valve. I don't know this for for sure but i think it will be far too much trouble to do so than what it's worth. just delete the canister and route the vent lines directly to the purge valve.

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Hmm, ok. I'll need to splice back in some of that wiring (I had cut out all the wiring related to EVAP) to get the purge valve to work again. I'm assuming that the default state of the valve if no power on it is closed?

I guess what I still don't understand is when the purge valve is closed, how does air get in or out (ie, what prevents it from being a closed loop system?).
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Old 03-30-2021, 05:03 AM   #2
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Originally Posted by rezanourai View Post
Hmm, ok. I'll need to splice back in some of that wiring (I had cut out all the wiring related to EVAP) to get the purge valve to work again. I'm assuming that the default state of the valve if no power on it is closed?



I guess what I still don't understand is when the purge valve is closed, how does air get in or out (ie, what prevents it from being a closed loop system?).
I just saw your build thread. I didn't realize your building a racer.

You can probably get away with removing the whole thing but you will likely get a CEL. A lot of racers will though, just check your codes prerace. If it's that big of a deal you may be able to delete it with piwis but I don't know for sure. Also, your garage will probably smell a bit like gasoline. As long as your garage isn't too hot it probably won't be horrendous but that's hard to say.

Don't block off the tank vent or filter neck vent lines, you'll regret that. If you delete the purge valve, I would block off the tube going back to the intake or else you'll likely have a vacuum leak.

I don't know the answer to your last question. There may be a valve built into the charcoal canister as a burp valve? It may just act as a resivoir and not actually vent. Not sure about though.

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Old 04-23-2021, 08:01 PM   #3
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Originally Posted by rezanourai View Post
Hmm, ok. I'll need to splice back in some of that wiring (I had cut out all the wiring related to EVAP) to get the purge valve to work again. I'm assuming that the default state of the valve if no power on it is closed?



I guess what I still don't understand is when the purge valve is closed, how does air get in or out (ie, what prevents it from being a closed loop system?).
How is this going for you so far? Any progress?

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2000 Box Base, Renegade Stage 1 performance mods complete, more to come
When the owners manual says that the laws of physics can't be broken by this car, I took it as a challenge...
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Old 04-24-2021, 12:13 AM   #4
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How is this going for you so far? Any progress?

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Unfortunately blew the motor at the track a few weeks ago, so have been focused on sourcing and swapping motor lately, will finish the canister stuff after that. My plan was to use a combination of a rollover check valve and a light pressure opened valve to vent to atmo but not stink up garage, and avoid leaking fuel I'm the event of (hopefully never) rollover
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