Is it OK to drive a car with check engine light on?

If the check engine light comes on while you’re driving, it can be unnerving. … The check engine light means there’s a problem somewhere in your emissions system. Regardless, you’re safe to drive for now as long as the car isn’t performing strangely. Just have the check engine light checked and the problem repaired.

How long can I drive my car with check engine light on?

It’s okay to drive for a few miles, but be sure to schedule an inspection of the engine as soon as possible. If the check engine light comes on while you’re driving, don’t panic! Pay attention and see if the car is driving any differently than normal.

Can you still drive a vehicle with the check engine light?

As long as all of your vehicle’s essential systems (including lights and brakes) are operational, it should be safe to drive to our service bay. Keep a close eye on things like your coolant temperature and oil pressure, and watch for any other warning lights on your dash.

How serious is a check engine light?

The check engine light — more formally known as the malfunction indicator lamp — is a signal from the car’s engine computer that something is wrong. … If the light begins flashing, however, it indicates a more serious problem, such as a misfire that can quickly overheat the catalytic converter.

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What is the most common reason for a check engine light?

Replacing a faulty oxygen sensor — a sensor used to optimize a vehicle’s fuel-to-air mixture to increase gas mileage and reduce emissions — is the most common cause for a check engine light.

What does a solid check engine light mean?

A solid Check Engine Light can mean something like a loose gas cap, or it can indicate a more in-depth problem like a fuel, timing, or transmission issue. Get your car diagnosed, although the urgency isn’t the same as if the light was flashing at you.

How long can you drive with oil light on?

Generally speaking, you have about 2 weeks or 500 miles of driving before a flashing oil light turns into a legitimate problem. But once it hits that point, things can go downhill fast, leading to serious mechanical damage. So, try to get your vehicle into a mechanic sooner rather than later.

What does a yellow check engine light mean?

Look for a serious problem that requires immediate attention. Check your dashboard gauges and lights for indications of low oil pressure or overheating. … On some cars, a yellow check engine light means investigate the problem and a red one means stop right now. Try tightening your gas cap.

What can throw a check engine light?

Spark plug or coil issues

Speaking of spark plugs, they too can throw up a check engine light. Faulty spark plugs can cause misfires or even cylinders to stop running entirely. The coil packs that sit on top of the plugs can cause the same symptoms when faulty.

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