Slow and expensive by Boyd M. at InsiderPages
My Ford Aerostar van had a broken spark plug, but Dufresne's did not find that during the diagnostic. They gave me an estimate of $1200 (after the $105 diagnostic). I ended up taking the van to a friend's mechanic who immediately found the problem, replaced the spark plug and fan belt, and charged me $120. I ended up on Dufresne's mailing list, which I now can't get off of.
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