I recently moved to Idaho and had to get an emissions test for my '85 Westy, which I did today.  It failed one part of the test - the HC (PPM) at idle were 350 (the standard is 220).

I spoke with my mechanic who said it was possible that the catalytic converter was not warmed up enough (I had only driven the van down the street a few miles before the test).  He suggested driving for awhile and test again.

Has anyone run into this?  Does that advice sound right?

Thanks

David

Boise ID