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 ...

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 ...

While auto safety experts find the new dummy designs promising, there are limitations to physical tools when testing vehicle crash outcomes. The 5th percentile federal standard for female dummies is 4 ...