They are uneducated, ignorant or very "shady" smart. It is a well known fact that the hotter a catalytic converter is, the better it works, thus more cars would pass, if they (All Smog) let the cars warm up for longer then just a couple of minutes or at the very least when the temperature gauge moves off the cold indicator side on the dash. More cars passing means less cars to do a retest on. In return, less cars to do a retest on which means less money in the register at the end of the day. So don't be deceived when a smog mechanic says, "It does not benefit me if your car fails a smog test." it does if they charge for a retest even for a lesser price . Further more All Smog in Merced charges less for a retest so you hopefully will return to them rather than going to start over somewhere else. If they really want to say they don't benefit if your car fails, rechecks should be free! I specifically brought in my truck warm and asked to leave it running. They turned off my car, tested it cold, and now I need a retest. I seriously wonder if all employees are legal? I also would like to question the word express. Who cares if it is done fast, if it is not done well, and you have to do it again. I WOULD NOT RECOMMEND THEM!
Pros: good location, pretty quick
Cons: Missing common sense