The “check engine” light is the most annoying orange icon in America. Half the time the car feels fine, and the other half ...

If you own or service a diesel pickup—whether it’s a Ford F-250, Caterpillar work truck, or Ram 2500—you know the struggle: diesel engines have unique needs that regular OBD2 scanners just can’t ...

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If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. So your engine light is on. It could be nothing. Or it ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Modern cars are technological marvels, and understanding what’s happening under the hood has never been ...

Cars are more than just oil and steel. Modern models have incorporated electronics and computer chips to help manage and optimize their mechanical components. That means maintaining your car's ...

An OBD2 (On-Board Diagnostics II) scanner can provide information about the status and health of various vehicular systems. This information can help inform the user as to what the source of a problem ...