Car runs rich wont pass smog
01-16-16, 12:49 PM
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high NOX = too hot = too lean. the one i had that failed with high NOX needed an o2 sensor, so i would check yours. there is a diagnostic port you can put an LED into, and you can then see the 02 sensor cycle when its in closed loop, or not if the sensor is dead
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jsnow82
Single Turbo RX-7's
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01-17-16 10:21 AM