Gas or electric? Which cools fridge faster

My Norcold is 24 years old and still ticking. It sometimes does not want to start up on gas, usually if you run it on electric for a little bit it will then run on gas fine. Sometimes when you switch it straight to gas instead of the ignitor trying to go off it goes straight to the red fault light. If you let it "warm up" on electric, it will usually then switch over to gas just fine.

I find it cools faster on gas. I usually leave the RV in the driveway the night before a trip on electric, though, to get it cooled down before getting underway.

Steve