I have a 2000 Heratige that will shut off like a light at times on the road. The battery is still holding 12 volts and is about 3 years old and I dont beleive it is vapor lock or a fuel problem. It has 30k on it and is up on all scheduled services. I dont want to take it to the dealer for somethig minor. I am going to have the battery load tested then after that I am at a loss. Can anyone help.