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Failed CA smog - High NOx
Hi Everyone,
Returning after several years as we just purchased another Boxster (1999). However, trying to get it registered and getting it smog tested it did not pass due to high NOx. I bought a bottle of Lucas gas additive that indicated on the bottle that it reduces NOx emissions. Can anyone recommend anything else I can do to pass the test or is it something else? The car has 84K miles and the check engine light has NOT come on. Thanks in advance for your replies and assistance.
Kevin
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