Beware I took my F350 in to their shop with a misfire issue and asked them to do a diagnostics on it concerning #4 cylinder. I had already replaced all 10 coils and spark plugs and #4 injector, all brandnew replaced right before they got it. I had already taken and swapped around coils and misfire did not move (had another shop verify that as well).
The owner of the shop Mr. Al Diller says that misfire did not move so they wanted to check compression on that cylinder (we knew this already). Next thing I know I get a call stating that it will be $1592.00 to fix my truck and that I had one coil bad. #4 and that I had all the wrong spark plugs in my truck. They wanted to clean injectors, put in new fuel filter, said I had 4 o2 sensors bad...
I told him that first off I do have the right plugs in and I verified that with Ford dealer, I told him that I had only 2 o2 sensors not 4, that was also verified with the ford Dealer for that year truck and that #4 coil was not bad because misfire never moved.
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