Question: What Is The Most Common Reason For Check Engine Light?

Where can I get my check engine light checked for free?

At a local auto parts store Most auto parts stores will have an OBD-II scanner on hand to check the OBD-II PID service codes, and will do it for free.

I’ve called several stores in my local area, and all of them said they will scan the codes for free..

Is check engine light serious?

Your Check Engine Light may be indicating a simple problem that’s easy to fix—such as a loose gas cap that needs to be replaced. … A flashing Check Engine Light indicates that your vehicle’s engine is in serious trouble, whereas a steadily lit one means less urgent service is needed.

How long can I drive with check engine light?

When the check engine light is solid, you can typically drive the car for hundreds of miles without an issue. Of course, that depends on which code is stored in the vehicle’s computer. If an engine sensor is faulty, the car will usually use made up sensor values to keep running.

How do I remove check engine light?

How to Get Rid of the “Check Engine” Light4 Ways to Turn off the “Check Engine” Light. Method. … Drive Your Car and Let the Light Go off by Itself. The first and easiest method for clearing the check engine light is driving and time. … Turn the Car on and off Three Times. … Disconnect and Reconnect the Battery. … Use an OBD Code Reader.

What are the symptoms of a clogged catalytic converter?

Among the symptoms of a bad catalytic converter are:Sluggish engine performance.Reduced acceleration.Dark exhaust smoke.The smell of sulfur or rotten eggs from the exhaust.Excessive heat under the vehicle.

What could cause the check engine light to come on?

Don’t Just Turn It Off; Fix the Problem The light could be a minor issue, such as a faulty gas cap, or it could mean something more serious, such as a misfiring engine. … 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.

How do you fix a check engine light?

What to Do About the Check Engine LightLook for a serious problem that requires immediate attention. Check your dashboard gauges and lights for indications of low oil pressure or overheating. … Try tightening your gas cap. … Reduce speed and load. … Use built-in diagnostic services, if available.

Can a check engine light come on for no reason?

Now there’s a ton of reasons that our check engine light can come on. It can be a simple problem, like maybe the last time I put fuel in my car, I didn’t tighten the gas cap all the way. It can also be a really, really in-depth problem with sensors or wiring or really anything in between.

How much does it cost to get a check engine light Looked at?

On average, the fee to have an auto mechanic diagnose a check engine light is $100.

Will AutoZone turn off check engine light?

Yes they can make the light go out temporarily. They do it by using a scanner to erase the readiness monitors. Then until the readiness monitors reset (might be days, weeks or months) the light will stay off. That is, unless there is a hard failure then the light will come back when the car is restarted.

Is it safe to drive with check engine light on?

It’s okay to drive the car if the check engine light is steady. But only if the vehicle’s essential systems such as brakes and lights are operational. Keep a close eye on your car’s dashboard warning lights, including the coolant temperature and oil pressure.

What does it mean when your check engine light comes on and then goes off?

It goes on when a sensor reports a voltage to the computer that is not in the prescribed range. It’s called an intermittent fault when the engine check light goes on and off. If a scanner is attached when the light is off, you should get a reading of any stored code in the computer. … It’s an emissions sensor.

Where can I take my car when the check engine light is on?

Bring your car to an auto parts store and have the code read for free. The free check engine light diagnosis is good because if the code turns out to be for something minor, you might even be able to fix it yourself.