Thank you for your answer. Any idea what they charge for this service (testing the sensors)? Anyway for me to check myself?

We own a 2004 XC90, front-wheel drive, 5-cylinder. We were on the highway with a 1/4 tank of gas (& "114 miles to empty tank") showing on the gauge when the car shut down. Luckily I had a friend driving by that took me to the gas station where I purchased & put 2-gallons of gas in ...