Can your spark plugs cause your check engine light to come on?

Worn spark plugs or spark plug wires can trigger your check engine light to come on. This can cause your engine to misfire and your check engine light to pop on. A flashing engine light could mean that potentially catastrophic misfires are taking place, say our technicians.

Can a bad spark plug cause my check engine light to turn on?

The answer is – yes! Worn spark plugs can cause your vehicle’s check engine light to illuminate, indicating an issue. It may even be a flashing check engine light. This is because bad spark plugs can cause your engine to misfire, which will trigger the check engine light to turn on.

How do you start a Chevy check engine light?

If your Chevrolet has Start/Stop button, you will need to press the START button without pressing the brakes. Allow your OBD2 scanner to turn on and connect to your Chevrolet Engine Control Unit (ECU).

What does a flashing check engine light mean?

Flashing or illuminating the Check Engine Light always indicates that something is wrong with the car’s system. Check Engine Light (also called as Malfunction Indicator Lamp) is a signal that your car’s engine wants you to check for any issue with the engine.

Can you drive with a blinking check engine light?

How far can you drive with a blinking engine light? It is not recommended to drive at all with a flashing check engine light. You can, in most cases, drive the closest way to a repair shop. We do recommend towing it if the repair shop is located far away, though.

What makes the Check Engine light come on on a Chevy Silverado?

Depending on the year and model of your Silverado, your truck can have up to four oxygen sensors. Unfortunately, a problem with any one of them can cause the check engine light to come on—but that’s not all.

When to change spark plugs on Chevy Silverado?

P0304 and P0351 are common DTCs associated with faulty spark plugs, but you will know if you need to change the spark plugs if you notice any of the accompanying signs, including rough idle, engine surging, lack of acceleration, and high fuel consumption. Figure 1. A fresh plug versus a worn out one.

What does it mean when check engine light flashes while accelerating?

Others are some common reasons of flashing Check Engine Light while accelerating. What to do If Check Engine Light Flashes While Accelerating? As this indicates a serious problem of your engine, you should focus on solving the problem as soon as possible if you don’t want your engine to create more problems.