On Apr 6, 2023, at 2:32 PM, Don Daynes <ddaynes@...> wrote:

Hi, long time lurker. Don't think I have ever posted.

2000 EVC with the EXACT same issue/ symptoms as?Michael Diehr has related.

Problem really only happens on one road traveling to somewhere I like to camp.

Things I have done:

Used this forum and online references to test the evap canister and system. Could not find anything wrong. Would have replaced it if it was still?available.

Replaced gas cap.

Wrapped the exhaust piping with fiberglass heat tape before and after the cat near the gas tank.

Insulated most of the exposed surfaces of the gas tank with adhesive backed foil heat reflecting material.

Replaced the radiator.

Removed the engine oil based transmission cooler and replaced it with a tranny cooler in front of the radiator.?

AND added a second, thermostatically controlled tranny cooler with a fan, located aft of the gas tank.

Nothing I have done has had any effect except for somewhat lower engine and trans temps, as monitored with a Scan gauge. Still gets hot, has exterior gas smell, excessive gas tank pressure, and boiling/gurgling noises from the gas tank when going up that road.?

I have learned to monitor temps when going up that road and stopping at a couple of convenient?places on the way up. I carefully?vent the gas tank, and wait for the engine and tranny cooler fan to stop running before proceeding.

May contemplate?replacing the gas tank per the post that had luck with that.

The change in gasoline properties?seems as likely as anything.

Giving up trying to do anything more to mine for the time being. Just waiting for the definitive?fix posted here.

Don Daynes?

Anaheim, CA

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