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Reasons your check engine light comes on and how to interpret it

When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or ...

Here are the most-read 'Car Doctor' questions and answers of 2025

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

Utility CEO on the data center crunch: America’s ‘check engine light’ is on and ‘no one’s going to pay attention until it breaks down’

"We are telling policy makers the warning lights are on," Exelon CEO Calvin Butler told Diane Brady at Fortune Brainstorm AI ...
GM Authority

Here May Be Why Your Chevy Colorado, Silverado TurboMax Check Engine Light Is On

A loose wiring connector could be at the root of several glitches in your 2023 Chevy Colorado, 2024 Chevy Colorado or 2024 Chevy Silverado 1500 truck if the check engine light is illuminated.