#Check Engine Light

Engine Diagnostics & Repair

Why Check Engine Lights Genuinely Spike in Spring

A winter of cold and road salt genuinely does weaken gas cap seals and EVAP hoses, and spring's freeze-thaw cycling is often when that damage finally trips a code.

Engine Diagnostics & Repair

What a Check Engine Light Actually Tells a Technician

A diagnostic code points to a system, not necessarily a single broken part. Here's what actually happens when a technician plugs in a scanner, and why the code is the start of the diagnosis, not the end of it.