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Symptoms of disconnecting the Charcoal Purge Valve on AU 

 

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 Post subject: Symptoms of disconnecting the Charcoal Purge Valve on AU
Posted: Tue Aug 18, 2015 11:50 pm 
Getting Side Ways
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Age: 31

Posts: 771

Joined: 20th Nov 2005

Ride: AU XR8 220 Manual

I have the common AU ticking noise from the purge solenoid that operates the charcoal canister system.

While the car was running and the valve ticking, I disconnected the wiring and it stopped.

My question is can I leave it disconnected or will it pressurised the fuel tank or worse?

Ford want $160 for a new one so I want another option.

Thanks.
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 Post subject: Re: Symptoms of disconnecting the Charcoal Purge Valve on AU
Posted: Wed Aug 19, 2015 1:06 am 
Moderator
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Posts: 14513

Joined: 7th Nov 2004

Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

yes you can un plug it,
it wont pressurise the tank, but in hot weather when low on fuel the excess fumes can build up in the canister and exit the canister via the breather pipe just above the left headlight giving off a petrol smell from the engine bay,

what I have done is run a hose from the canister breather into the lower airbox, this just lets the canister breath into the box and the engine consumes any excess fumes through the intake rather than it being sucked out by manifold vac via the solenoid..
been like it for quite a while and no issues..

although if you run duel fuel it might not be a good idea to let the canister breath into the airbox just in case of lpg backfire..

have you tried a 6 cyl solenoid? curious to see if they work in the v8?
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 Post subject: Re: Symptoms of disconnecting the Charcoal Purge Valve on AU
Posted: Wed Aug 19, 2015 4:21 pm 
Getting Side Ways
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Age: 31

Posts: 771

Joined: 20th Nov 2005

Ride: AU XR8 220 Manual

Thank you for the advice.

I am going to try and cover it up with dynomat or sponges etc but if thats still too loud I am going to do exactly as you have suggested.

Thanks!!
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