WHAT WOULD CAUSE THE CAR TO HAVE A HIGH CO READING AT 2500 RPMS ON A CA EMISSIONS TEST

1980 Datsun 200B

Tiny

dbelfay

June, 20, 2012 AT 7:30 PM

Car passed all but this part of test

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1 Answer

Tiny

DrCranknWrench

June, 20, 2012 AT 10:19 PM

It is probably just the age of the car. There could be oil getting past the rings and burning or the entire fuel charge is not getting burnt.
Not anything to worry about with a car of that age, it is normal.

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