Without a diagnostic tool, it's challenging to determine what is wrong with your car and whether to keep driving when a solid check engine light turns on.

Add Yahoo as a preferred source to see more of our stories on Google. A vehicle's Check Engine light can turn any car ride into a harrowing experience. As soon as the check engine light illuminates, ...

When your vehicle's check engine light (CEL) comes on, it's often a sign that something needs attention. But with over 20,000 parts working together in your car — many important for normal operation — ...

(iSeeCars) – A vehicle’s Check Engine light can turn any car ride into a harrowing experience. As soon as the check engine light illuminates, it’s hard not to hear the cha-ching sound of a cash ...

The warning light can return even after an expensive repair. Here’s what your car may be trying to tell you.