Why does my check engine light blink sometimes?

Why does my check engine light blink sometimes?

A flashing CEL indicates a severe problem, one that requires immediate car repair. In other words, if your check engine light is flashing, pull over and call a tow service. Ultimately, an engine misfire is the most common cause of a flashing CEL.

What does it mean when your check engine light pops on and off?

Worn-out spark plugs can affect your engine’s combustion process and throw it all out of whack. It can also lead to a check engine light on and off intermittently. The thing about bad spark plugs is that, initially at least, you’re going to be able to continue to drive around with them.

What is the P0300 diagnostic code for check engine light?

P0300 is a diagnostic trouble code (DTC) for “Random/Multiple Cylinder Misfire Detected”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $84.99.

What causes a blinking or flashing check engine light?

A blinking or flashing check engine light is always caused by misfires. However, it is not as simple as that because many different things can cause misfires. Here is a list of things that can cause a misfire, which may result in a blinking check engine light: Misfires on one or several cylinders (most common) Faulty spark plugs/Coils

When to fix a P0300 engine misfire?

When P0300 occurs, it should be fixed immediately as long term driving with engine misfires could cause consequential damage to your engine and catalytic converter (s). Many times, P0300 occurs when there are worn out spark plugs, spark plug wires, or a faulty ignition coil. P0300 Symptoms Check Engine Light is on

What does P0300 mean on a spark plug?

Many times, P0300 occurs when there are worn out spark plugs, spark plug wires, or a faulty ignition coil. P0300 should be repaired immediately.