Routine servicing is becoming more expensive, as exclusive new data compiled for us by the Warranty Solutions Group reveals.

A local shop owner reveals the unexpected costs a Honda Accord owner faced by skipping the dealership and bringing his car to ...

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 ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

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 ...

We may receive a commission on purchases made from links. While it may seem intimidating at first, there are plenty of easy DIY auto maintenance projects that even the most novice DIY-er can handle.

In a performance application at wide open throttle, the ECU needs to control the air to fuel ratio to hit a small target somewhat richer than stoichiometric. The narrowband sensors most OEs use only ...

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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 ...

Are you struggling to figure out which O2 sensor or ignition coil you should replace? You are not alone. A diagnostic scanner can help you find car problems efficiently, but it can still be confusing ...

Compare plans tailored to your car & budget. Engine repairs aren’t cheap, but there is good news: You may not need an entirely new engine — just a repair. Even if you do need a new engine, it may be ...