I trust these guys. My Jeep quit running and I had it taken to Christian Brothers. They put it on a diagnostics machine and the machine said to change some sensors. Parts and labor were going to cost me just over $400. After replacing the sensors the car still wouldn't run. They determined that the problem had to do with the internal workings of the engine which I had under warranty from another shop. I was worried about paying for labor but Christian Brothers only charged me for the initial diagnostics.
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