Engine cylinders can misfire due to problems with the ignition system, the fuel system, air and compression, or sensors and ...

Modern cars rely on a dense web of sensors to manage everything from fuel delivery to collision avoidance, and when one fails ...

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 ...

Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.

Getting something for nothing is rare these days, but O2 is bucking the trend this December. The popular UK mobile network - which is now part of Virgin Media - is spreading some serious festive cheer ...

NYPD brass are using department cars to evade tolls while driving to work — even as thousands of furious commuters are forced to pay steep congestion-pricing fees, according to a whistleblower lawsuit ...

The president said he would weaken Biden-era mileage standards, which were designed to increase electric-vehicle sales, calling them a “scam.” By Lisa Friedman Maxine Joselow and Jack Ewing Lisa ...

May Mobility, a self-driving startup in Ann Arbor, offered the author her first glimpse of true self-driving vehicles in Michigan. There is no vehicle currently for sale that are legally considered ...

Patients are being warned to stop using some glucose monitors made by Abbott Diabetes Care after the company found malfunctioning sensors may be linked to hundreds of adverse events and several deaths ...

In mid-December 2025, an image (archived) circulated online purportedly showing U.S. President Donald Trump using a walker as a mobility aid. Keith Edwards, a Democratic political strategist, posted ...