I have a 1996 Mazda 626 that the check engine light has always been ON. After taking the car to other shops and finding out the part was expensive I opted to continue to drive without the repair. After moving to Colorado and having other issues (transmission) I was referred by Cottman Transmission (Academy & Chelton). Another 5 STAR repair Shop to Groff's Auto Repair. They did a thorough check of the problem and determined that the problem was in the wiring harness. Did the repair and the light is finally out after 7 years. I was always nervous about taking my car to a shop and because of this have done most of my own basic repairs. They are competent , friendly , and back up their warranty work. I live close by and they even picked me up at my house. I will be using their service in the future if the need does arise. You should give them a call. (719) 392-3426
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