Can you pass a smog test with a bad catalytic converter?
Can you pass a smog test with a bad catalytic converter? Catalytic converter malfunction: The catalytic converter's job is to turn the hydrocarbons, carbon monoxide and nitrogen oxide released by the engine into carbon dioxide and water. Any problem with this component could lead to smog test failure. Do you have to smog a 1985 car? Under the current law, cars 30 years or older are exempt from smog testing. That means that this year a model 1974 car is exempt and next year a model 1975 will become exempt. What's more, cars newer than 1976 are already passing their...