was on vacation in long island ny bought car to goodyear in coram ny told them car bucking at 30 mph, were told theyn had diagonstic then called and told they did not wire to diagibsis problem, they suggested spark plugs we said fine i would like to state we told them the problem was interminent, picked our car up to only find 4 hrs later car still doing the same thing we had to wait a extra day to call on monday for them to say we didn'tn absloutey gurantee car, had to take car somewhere else where it could be propley diagonsied, car was founfd to have bad cam sensor, when i came home my mechanic has told us our car was not due for a tune-up, my credit company will not reverse the charges they feel they are valid, they nare onlynvalid becausen your mechanic'sn told us what to do, we are the customer we trust we are not going to be ripped off, i would like the charges removed, your company did not fix the problem. sinxcerley barbara paloaai.