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Re: Gas Tank is releasing dangerous fumes


Dan Phalen
 

Thanks for the advice, it will be helpful when I take the van into the shop tomorrow. Best to go in with at least some modicum of knowledge.


On Saturday, June 20, 2015, Stephen register@... [ev_update] <ev_update@...> wrote:
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You need to have your evaporative fuel system looked at. Could be the valve, carbon canister setup

The pressure comes from the fuel pump is constantly circulating fuel, so you have warm fuel returning to tank

Stephen Jackson
Canoe-ventures

On Jun 20, 2015, at 9:59 AM, tidalwaifs@... [ev_update] <ev_update@...> wrote:

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A few weeks ago, I smelled gas coming from under my 97 EVC. I have been unable to find the cause. The smell has been intermittent, three times over a one-month period. When it comes it is strong, but not overpowering. I can find no drips under the van or signs of leaks. After a few hours the smell dissipates. Each time it coincided with a 100 plus mile trip in hot weather (90 degrees.)


Yesterday I was able to make a diagnosis.? The tank seems to be under considerable pressure.? After yesterdays trip I once again smelled gas. I opened the gas cap and a rush of fumes expelled for a good couple of minutes until it finally stopped. This is the first time I noticed this, though previously I may not have opened the cap until the van had been at rest for several hours.


I am assuming that the tank has a pressure release vent that may be clogged. If this is the problem, how do I go about fixing it? But even if this is the problem, why would the tank be pressurized? I would have thought the opposite would occur. And why would the condition be intermittent?


I fear that I am driving a time bomb that could literally explode. I won¡¯t be driving until I solve the problem.

Does anyone have insight into this problem? I¡¯d appreciate any advice or insights. By the way, I am currently in Santa Fe in case anyone knows of a good shop in this area.

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Thanks,

Dan

97 EVC




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Dan Phalen



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