90 Civic Hatch noX Emissions Issue
90 Civic Hatch noX Emissions Issue
Ok, so I went to get my car inspected today and everything passed except for the noX test. The threshold for the test is 1400 and mine read a little over 1900 (I live in Texas). Any ideas what I can do to fix the problem or at least get it to pass inspection? I've only had the car for 2 weeks. Car has just over 300,000 on it but the engine was rebuilt at 284,000. Converted to 5-speed transmission. Short-ram intake. Aftermarket exhaust. This is my first Honda so I don't know anything about them really. Any help would be greatly appreciated.
-Casey
-Casey
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Honda Civic Forum
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