Being proactive and making repairs to your car at recommended mileage intervals saves time and money and helps eliminate breakdowns.

Using an inexpensive OBD-II scanner can save you money, time, and frustration.

John Paul, AAA Northeast's Car Doctor, hears from a reader whose truck’s AC only works with the blower on high. The post My ...

Learn key exhaust system maintenance tips, warning signs, and sensor care to improve performance, reduce emissions, and prevent costly repairs.

When the check engine light comes on, you may hesitate taking it to a mechanic who will charge you for a non-problem. Learn ...

Jeep Wrangler reliability rated by generation: JK vs. JL data, death wobble facts, 4xe risks, and which model years to buy or avoid. No fluff, just numbers. RepairPal ranks the Jeep Wrangler 28th out ...

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

KENT, Ohio—Just after 7 a.m. on a recent morning, Ted Hummel leapt up onto the front bumper of a 2019 Ford F-150 and reached under the hood to disconnect a pair of oxygen sensor connectors. It is the ...

For an engine to create propulsion, it first needs a few core ingredients. The process begins with fuel being pumped through the car's fuel lines and into the combustion chamber. This is where fuel ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...