Troubleshooting Oxygen Sensor Problems

by Tom Brintzenhofe; Updated September 18, 2017

Oxygen sensor problems will cause a vehicle's "check engine" light to come on, and some of the symptoms of oxygen sensor problems include poor fuel economy and a rougher idling engine. Find out what diagnostic equipment is needed to troubleshoot oxygen sensor problems with help from an ASE-certified mechanic in this free video on troubleshooting car problems.

About the Author

Tom Brintzenhofe has been a mechanic for more than 17 years.

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