Why a Summer Tune-Up Matters at Flash Auto: Ignition Coils, Misfires, and Up to $25 Back
July 1, 2026
A check engine light is your car asking for help, not a reason to panic. It is also not a reason to keep driving for weeks with a piece of tape over the dash. The light means the engine computer has logged something worth looking at, and the only way to know whether it is minor or serious is to read what the computer is trying to say.
- The check engine light covers everything from a loose gas cap to a failing catalytic converter
- A proper diagnostic scan reads the code and then verifies the actual cause
- Ignoring the light can turn a small repair into an expensive one
What the Light Actually Means
Your engine computer monitors dozens of sensors continuously. When a reading falls outside its expected range, the computer stores a trouble code and turns on the light. Some triggers are simple, like a gas cap that was not tightened after a fill-up. Others, like a misfire or an oxygen sensor failure, affect fuel economy immediately and can damage the catalytic converter if ignored. A flashing check engine light is the urgent version, and that one means stop driving and call.
Why the Scan Is Only Step One
Pulling the code takes a minute. Understanding it takes a technician. A code points to the system that reported the problem, not necessarily the part that caused it. An oxygen sensor code, for example, can mean a bad sensor, a vacuum leak, or a fuel delivery issue. At Flash Auto, we read the codes, test the suspect systems, and give you a straight answer about what your vehicle needs and what can wait. You get the diagnosis and the reasoning, not just a parts list.
The Cost of Waiting
Most check engine issues get more expensive with time. A misfire that costs a few hundred dollars in ignition parts can destroy a catalytic converter worth four times that. Poor fuel economy from a failing sensor quietly adds up at the pump every week. The scan is the cheap part. Waiting is what gets costly.
If your light is on, bring it in for a diagnostic scan and a straight answer on what it needs. Book at 8333 Jefferson St NE.
Flash Automotive
8333 Jefferson St NE
Albuquerque, NM 87113
(505) 856-8333
