Q: I have a check-engine light that comes on after 50 miles or so and the fault code is 44 — that is bad oxygen sensor. I have changed both sensors, but the check engine light comes on with the same ...

Learn how modern scan tools and scopes enhance vehicle diagnostics by interpreting data, identifying faults, and preventing ...

Modern car engine control systems rely on input from several sensors to regulate the engine’s performance as well as its emissions and other vital functions. When these sensors fail to provide ...

We may receive a commission on purchases made from links. Modern cars are designed to be more efficient and eco-friendly than ever. Automakers build vehicles with a wealth of advanced features to not ...

The whip is a 2003 Ford Ranger 3.0 V6 Flex-Fuel.<BR><BR>Recently got a check engine light, error codes point to a bad O2 sensor.<BR><BR>Sensor 1, Bank 1. From the ...

We've all experienced a check engine light coming on, knowing that unless it's taken care of immediately, it'll be a nagging long-term problem in the back of our minds. It's one of the most important ...

I've recently bought a pick-up (2000 Nissan Frontier 2wd 4 cyl). It has about 118k on the odometer, mostly highway miles. Engine runs good, transmission shifts well, etc. However, the gas mileage is ...

Q: My 2000 Nissan Pathfinder was diagnosed with a knock sensor problem after a mechanic scanned the OBD2 codes. (The check engine light is on.) It did not pass the annual inspection. The car has no ...

Modern vehicles are pretty complicated pieces of tech. Apart from emissions and other vital functions, the engine control system relies heavily on several sensors to regulate performance. That is ...