Tip Top auto repair

We took our S-to tip top auto repair to have a spyder fuel injection replacedWe were told by Mike thee owner where to buy itHe said Parts Plus AutoWe bought the part and took it to him to installHe put it on and a few days later we were getting a code that the injection was faulty with a poand powith a misfireWe asked him to help us on the labor by replacing itWe told us he did not buy it, but told us where to get itHe did not mention he would charge us extra if he got itWe were under the impression that he wwanted us to go get it because he told us where he got his partsHe then told us that we should have bought it from the dealerHe never told us to buy it from the dealer at firstHe told us to buy it from parts plus because he trusted themWe feell like he cheated us and never was honest with us about the whole dealHe told us not to come backThe day, June 28th, we picked up the truck and drove out and got less than a mile and the engine lig