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CO/HC Emissions Testing Guide by Steve Bradee is a document available to read on EtoBox.

What is CO/HC Emissions Testing Guide about?

This document provides instructions for performing an idle and 2500 RPM CO/HC check on a 22R-E engine, as well as troubleshooting steps if the CO/HC concentration does not comply with regulations. The check involves starting the engine and letting it idle for 3 minutes while measuring CO/HC concentration. If it does not comply, the oxygen sensor, ignition system, valve clearance, EGR valve, intake/exhaust valves, and vacuum leaks should be checked. Possible causes of a rough idle, fluctuating HC reading, or

Author

Steve Bradee

Language

EN