1994 HONDA CIVIC
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I took my car in for inspection and it failed the High Speed Emissions Nox (ppm). The standard is 1240 and mine is 1267. How can I lower this quickly?
Nov 6, 2012 at 7:44 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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