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 ...

Your fuel economy is getting worse most commonly from underinflated tyres, a clogged air filter, worn spark plugs, a faulty ...

Most drivers think the OBD-II port is only for check engine lights, but the right scanner can unlock live vehicle data and deeper diagnostics.

An investigation of nationwide garages by automotive diagnostic specialist Carly has found that drivers are being overcharged up to five times to genuine cost for simple repairs.

From the September 1984 issue of Car and Driver. What we have here is one hell of a nice vehicle for grown-ups. The Peugeot ...

This last operation was performed twice during the 944's life at Car and Driver, at 15,000 and 26,000 miles, because several ...

This re-creation of a spectacular 1934 one-off built for Edsel Ford has carbon-fiber bodywork and a Coyote V-8.

Georgia drivers in select counties must pass emissions testing before renewing registration. Learn requirements and more.

An electrochemical sensor developed at Oregon State University holds promise for making food quality testing faster, more ...