It glows on your car’s dashboard and instantly ignites terror and loathing in the hearts and wallets of drivers; the dreaded “Check Engine” warning light. For ...

Although commonly referred to as the “check-engine light,” some cars may instead display the message “Service Engine Soon,” or show a yellow or orange outline of an engine, perhaps with the word ...

In the Last diagnostics article, we outlined how to retrieve and decipher engine diagnostics for engines running OBD-I engine management computers. OBD or On Board Diagnostics is a subsystem of the ...

In the last Diagnostics episode, we outlined the vital information provided by compression and leakdown testing and illustrated how to use these most important tools. These tests reveal the internal ...

When the dreaded malfunction indicator light turns on, it’s not the end of the world. Here’s how to cope with an MIL! Whether you know a lot about cars or nothing about them, it's never fun to see the ...

Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. You’ll usually know when it’s time to take your car, truck or sport-utility ...

View post: Topo Designs' Bestselling Flannel Shirts Are Nearly 50% Off OBD2 scanners reveal car issues, aiding diagnostics before emissions tests or repairs. California's 2025 rules require readiness ...

When that check engine light comes on, it can be the start of a long, hassle-filled ordeal. You can make it a little less expensive, though, by taking your car to an auto parts store and asking for ...

We may receive a commission on purchases made from links. The check engine light is one of those dashboard warning lights drivers dread to see suddenly come on in the middle of driving. First-time car ...