Q: O2 sensor

The smoke you see is made up of the visible particulates that are emitted as a normal part of the combustion process of a diesel engine. There are other non-visible emissions (https://www.yourmechanic.com/article/5-Essential-Things-to-Know-About-Car-Emissions) in the exhaust also, like nitrous oxide. Diesel...

If the cruise control has been canceled, it can easily be resumed. When you resume the cruise control, the vehicle will automatically accelerate to the set speed. To resume, simply pull up on the cruise control lever. Tip This feature...

Yes it is and you should change it right away, because mileage is mileage and time is time. That baby is 15 years old. They tell you that you are supposed to change the belts and they are only good...

Hi there. The key fob could have a battery that is going dead. I recommend replacing the battery as the battery only lasts about 8 years. Then you will need to reprogram the key fob to the vehicle by putting...

Hi there - this transmission holds approximately 4 quarts of fluid (https://www.yourmechanic.com/article/how-long-does-transmission-fluid-last). However, it is impossible to change the fluid by simply draining the fluid - will only get a fraction of this amount. Fluid changes with a fluid change...

Hello, thank you for writing in. Newer vehicles keep power supply to the ABS system at all times. If the supply of power is interrupted or there is an issue with the power supply the ABS warning light will illuminate....

Hi there. The oil light may be coming on as the technician may have not turned it off or for got to reset the oil reminder light. Click here (https://www.youtube.com/watch?v=Knr6pJ6Md4E) to view how to reset the oil reminder light on...

A flashing check engine light (https://www.yourmechanic.com/article/what-does-the-check-engine-warning-light-mean-by-spencer-cates) usually refers to cylinder misfiring. Misfiring should be investigated and resolved promptly - that's why the light flashes versus simply staying steady - because misfiring can damage the catalytic converter which can result in...

Sensor output has to be directly tested (or the data/waveform viewed on a scanner) and determined to be faulty prior to replacement. If the sensor happens to test good then, the cause lies elsewhere. Code P0018 (https://www.yourmechanic.com/article/p0018-obd-ii-trouble-code-crankshaft-position-camshaft-position-correlation-bank-2-sensor-a-by-jay-safford) can set due...