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Car is a gross polluter

(1990 Chevrolet Corvette)
in Bakersfield, CA on August 06, 2010
failed at co and hydrocarbon, have no known codes on the computer
Displaying 1 answer & 2 comments
Popular Answer
on August 06, 2010
you need to have the engine checked out. plugs, wires, cap,rotor, air filter, o2 sensor, map sensor, cat and compression test. all these things need to be checked for a fialure.

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on August 06, 2010
have installed new plug wires, distribitor cap, rotor, checked the plugs ,seemed ok.. the cat conv. were tested (pass)at smog station.
on August 06, 2010
o3 sensor switching fast enough?? what are the cross counts?? how did they test the cat operation??

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