Staff was very friendly. Service Engine light came on. They replaced a sensor which they said wasn't working. Did offer a temporary loaner car (appreciated that, to do my job) while mine was being checked out and worked on...quick turn-around. Found oily handprints all over car, should have been wiped off. Sluggish idling and running problem has not been solved/fixed, being intermittent. They said they cannot find what is wrong...situation/hesitation/sluggish idling has to be re-created. Was told, if it acts up again, bring it straight in. This is not exactly possible, depending on where I am with driving.