Symptoms of a malfunctioning NOx sensor include increased fuel consumption, as well as reduced power and acceleration. If a sensor fails, it will also trigger an on-board diagnostic (OBD) code, ...

Sticker shock is real — new cars are more expensive than ever. But how do you know when it’s time to trade in your old ride for something new? Here’s some practical advice: when the total cost of ...

Mass air flow sensors fail most often in cars but a $20 air filter replacement every 12,000 miles prevents the $250-400 repair bills most drivers face.