Question about Emission System for Nissan 240SX Fastback

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Can't pass the emission test what could be the problem

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  • 176 Answers

Could be many things. Bad timing, vacuum leak, bad catalytic converter, oxygen sensors, fuel injectors, etc etc.
If you are interested in further diagnosing the issue, I would be happy to further assist you. Goodluck

Posted on Mar 27, 2011

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Posted on Jan 02, 2017

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Michael
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