I just went to a smog shack (in Nevada)for annual mandatory test. Since July 1, they are required to test thru the computer hook-up. My 1998 S70 failed, catalyst, oxygen sensor heater and secondary air system are problems. Computer says that those monitors were not ready. The tech says that since july he is seeing that often in Volvos, Mercedes (96-01)Fords and some Chevy trucks.
What is going on here? Is the fault with some manufacturers, with the test system,what?
Is this only a Nevada problem?
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