QA

Question: Why Is Check Engine Light On

What could cause the check engine light to come on?

A problem with either your spark plug wires or the spark plugs themselves could cause your check engine light to come on. Ignoring this problem may lead to a clogged catalytic converter, damaged ignition coils, or problems with your oxygen sensor.

Is it safe to drive with check engine light on?

Can you drive a car with the 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! Just be sure to have your car inspected as soon as possible after the light turns on.

How do you fix a check engine light?

If the check engine light comes on, here are some tips on what you should do: Look for a serious problem that requires immediate attention. Try tightening your gas cap. Reduce speed and load. Use built-in diagnostic services, if available.

Can low oil cause the check engine light to come on?

Low oil pressure: If your car is low on oil, it can cause your check engine light to go off. This is often shown in its own glowing light along with the check engine light on the dashboard. Overheating: If your car’s engine temperature is heating up, it can once again trigger the check engine light.

Why is my engine light on but nothing seems wrong?

Normally, the appearance of a check engine light indicates a problem somewhere in your vehicle, but nothing seems amiss. The problem can even be as simple as forgetting to tighten your gas cap – in fact, this is the most common reason why check engine lights appear in the first place.

When should I be worried about check engine light?

Unlike a Temperature or Oil Pressure light, a Check Engine light is usually not an urgent, “Stop right now or you may cause permanent damage!” type of situation, unless it is flashing. If your gas cap is loose or the seal is not tight, the vapor leakage can cause your fuel system to trigger the check engine light.

What does a solid yellow check engine light mean?

The steady yellow light is telling you to take a look and fix the minor issue as soon as you can, but it’s not usually serious. The flashing light means that your vehicle’s engine is misfiring and you should investigate the problem immediately.

Can AutoZone check engine light?

Does AutoZone Scan Check Engine Lights? AutoZone can diagnose Check Engine Light codes, yes. If your engine light turned on and you are wondering why, head down to your local AutoZone where one of our store associates can help diagnose the issue through our free Fix Finder service.

Is a solid check engine light serious?

Both a solid and flashing engine check light indicates that a problem has been detected. However, a flashing engine check light indicates that it is a serious problem that requires your immediate attention. A flashing light conveys an urgent issue that needs to be taken care of right away.

How much does it cost to fix engine light?

The costs to fix whatever’s ailing your car — and causing the light to come on — can vary greatly. Repair costs for the most common check engine light problems range from under $20 to almost $1,200, according to CarMD’s analysis of millions of repairs recommended in 2016 in the U.S.

How long can you ignore check engine light?

The dreaded check engine light. Now, it wasn’t flashing, which I knew meant the problem was urgent. But how bad was the news going to be? A new study found that the average person will wait 9 days after seeing that light pop on before taking their vehicle in to see what is wrong.

Will check engine light reset itself?

Your car’s check engine light will reset itself after you repair the problem in most car models. But it may take some time. A car usually needs 10-20 successful cycles before it will reset the check engine light by itself. Therefore it’s much easier to reset the check engine light with an OBD2 scanner.

Will a dealership buy my car if the check engine light is on?

Most dealerships will use the check engine light malfunction as an excuse to pay you less than the car may be worth. Be ready for a very low offer for the trade in. Your research will show the dealer you will not be taken advantage of.

Can engine light mean transmission?

Transmission problems can cause the check engine light to come on as well, however it’s not always as apparent as other components within the vehicle. If there is a transmission issue, this equipment will be able to target where the problem originated, and then supply an error code to help identify the problem.