Within the past 18 months my 2002 has cut off three times. The first time I was turning into a parking lot. The second time (about nine months later) I was just cruising along at about 45 mph. Then I drove from Arizona to east coast with regular trips out there then back to Arizona totaling 6,455 miles without a problem. Then recently it cut off again at about 30 mph. Each time it did this I coasted to the side and it started right back up and ran fine. All three times it was a hot day with air on and its about 3,000 feet here in Southern Arizona. Anybody have any thoughts on this? Heat without humidity plus elevation? Its not that big of a deal I'm just curious. I bought it new in Virginia (about 300 feet above sea level) and moved to Arizona with about 85,000 miles on it. The first time it cut out was around 107,000 miles and now has 118,000 miles. I know its not plugs or plug wires and if it was the heat and elevation here why did it do fine here for over 20,000 miles?