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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.
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.
MotorBiscuit

Woman Buys Car On Facebook Marketplace. Then Her Brother Notices A Piece Of Tape Over The Check Engine Light: ‘Sounds Like You Should Have Gone With Her’

For an increasing number of people, the answer to that question is “Facebook Marketplace.”  Many car owners find that the ease of posting ad, the ability to verify buyers, and the ubiquity of Facebook ...
SAYS

5 Common Car Maintenance Mistakes Most Drivers Make & How To Avoid Them

Despite being a slightly pricey and critical safety component, tyres are frequently the most overlooked part of a vehicle.
Jalopnik

How To Read The Oil Level On A Dipstick Correctly, And The 3 Big Reasons It Might Be Dropping Fast

At a time when vehicle diagnostics can demand a computer science degree, being able to get some insight into your engine health with nothing but a rag and a bit of know-how can be downright refreshing ...

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 ...