Vehicle emissions

Maher, Steve (SD-MS) SMAHER at GI.COM
Wed Feb 4 10:24:00 MST 1998

>>This is not entirely true. A six month old car can trip a detector and
>>return a "fail" reading. It depends on driving habits, type (grade) of
>>gasoline used, and whether the engine has been correctly timed (or has
>>slipped out of time - a rare occurance, but it can happen).
>You're right.  I've heard of people who have had their cars fail at one
>inspection station.  Without doing anything to the car they'd take it to
>another testing station where it would pass.

You're *sometimes* right.

I had a '77 Datsun in the late '80s, and took it to four different
smog places when it was in fairly bad shape. It flunked all four times--
with almost exactly the same readings every time.

Steve Maher

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