Dear Doctor: I have a 2004 Honda CR-V with only 25,000 miles. The engine light is on and the scan codes show a P0134/P0135 sensor. I get about 24 miles per gallon in local driving. I’ve been quoted ...

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

Sept 5 (Reuters) - Royal Dutch Shell Plc (Xetra: A0ET6Q - news) reported flaring due to oxygen sensor failure at its 156,400 barrel-per-day refinery in Martinez, California, according to a filing with ...

Monitor the engine temperature to ensure it is at the correct level, especially after running for a while. Decide whether the thermostat needs to be replaced based on your findings ...