My engine late came on, Van Dyke's turned it off and told me to come in immediately if it came on again, which it did in a couple of days. The minute I brought it in, they did a smoke test, identified the problem, ordered the part I needed, and installed the following day. Can't ask for friendlier, more accommodating, or more efficient service than that! Their business gets a 5, and everyone who works there gets a 5. - Jonathan S.