Ignoring a check engine light might feel harmless if the car still runs smoothly, but the warning signals more than a minor ...

The oxygen sensor was replaced but the 'check engine' light won't go out. Now what? Which octane fuel is best? AAA's Car Doctor has answers.

A-The oxygen sensor on your car is in the exhaust manifold close to the spot at which the extension pipe connects to the engine. If the sensor is working properly, there is no need to replace it ...

Moreover, other performance issues are associated with a faulty O2 sensor, like stalling, hesitation, and loss of power. If you notice any of these and see that the check engine light is on, you can ...

A look at what Bosch has done with the oxygen sensor. Find all the details inside Popular Hot Rodding Magazine.

Understanding Oxygen Sensor Performance Though mechanically complex, these instruments are easy--and vital--to use. By Bob Henderson May 01, 2005 OXYGEN deficiency is one of the most common of all ...

Land Rover says some of its 2010-12 LR2 models may illuminate the Check Engine light and log O2 sensor trouble codes P2097 and P2099 in computer memory. If there are no drivability symptoms associated ...

The folks at CarMD are back with their 2021 Vehicle Health Index, which documents what causes your car’s dreaded check-engine light to illuminate.

The oxygen sensor was replaced but the 'check engine' light won't go out. Now what? Which octane fuel is best? AAA's Car Doctor has answers.