Is That Check Engine Light Serious? Heres What It Really Means

The check engine light isnt always a disaster but its never something to ignore. Learn what it means, what causes it, and when to get it checked.The check engine light (CEL) is your vehicles way of warning you that somethings wrong. It could be a small issue, or the start of a major one but it should never be ignored.

Common Causes:

• Loose gas cap

• Faulty oxygen sensor

• Bad spark plugs or ignition coil

• Mass airflow sensor failure

• Catalytic converter issue

Solid vs Flashing:

• Solid = check soon

• Flashing = stop driving immediately (active misfire risk)

Should You Keep Driving?

• Solid and driving fine? Okay short-term.

• Flashing or rough running? Stop and call a shop.

What We Do at PAC Automotive:

• Full scan and data monitoring

• Live testing of components

• Clear diagnosis with no guesswork

Avoid Free Code Readers:They give codes, not causes and may lead to wasted money on parts you dont need.

Bottom Line: Check engine lights are early warnings. Catching the issue early saves you time and money.