Question about 1992 Honda Civic

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Nox to high

Nox emmisions r tripled over the readiin on a 1994 honda civc ex any one can help

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You probably have a bad catalytic converter, but it is possible the ignition timing is too advanced. If the timing is correct you could try and cheat your way through the test by retarding the timing. This would be done by turning the distributor a little clockwise, lets say...8 degrees with a timing light.
Just don't tell Al Gore.

Posted on Mar 11, 2009

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Posted on Jan 02, 2017

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