What is what does it mean when my check engine light is flashing?

A flashing check engine light is a serious warning sign that requires immediate attention. It indicates a severe problem that could cause significant damage to your vehicle if not addressed promptly.

Here's what a flashing check engine light typically means:

• Severe Engine Misfire: The most common cause of a flashing check engine light is a misfire in one or more of your engine's cylinders. A misfire means that the cylinder is not firing correctly, leading to unburnt fuel entering the exhaust system.

• Catalytic Converter Damage: The unburnt fuel from a misfire can quickly overheat and damage the catalytic%20converter. The catalytic converter is an expensive component that reduces harmful emissions. Damage can necessitate costly repairs.

• Other Potential Problems: While a misfire is the primary suspect, a flashing check engine light can also indicate other issues such as fuel system problems, ignition%20system issues, or even serious internal engine problems.

What to Do:

1. Pull Over Safely: If the check engine light starts flashing, pull over to a safe location as soon as possible.

2. Reduce Engine Load: If you must continue driving, reduce your speed and avoid heavy acceleration or uphill driving.

3. Get it Diagnosed: Take your vehicle to a qualified mechanic or auto repair shop as soon as possible for diagnosis and repair. Use an OBD-II%20scanner to check the error codes. Ignoring a flashing check engine light can lead to more extensive and costly repairs down the road.