Skip the auto shop - Our mechanics make house calls

Q: What does it mean when the Check Engine Light comes on?

asked by on

What does it mean when the Check Engine Light comes on?

A: The Check Engine Light is handy tool that w...

The Check Engine Light is handy tool that will tell you when something is wrong with your vehicle. It does not tell you exactly what is wrong, but a loose gas cap is a common fixable problem. If a loose gas cap is not the problem, you will need to take the vehicle somewhere to get the codes read. To understand the Check Engine Light.

  1. If your Check Engine Light comes on when driving, pull over and stop the car.

  2. Turn the car off.

  3. Check the gas cap and make sure it is tight.

  4. If the gas cap it tight and the light does not go off after a while, take the vehicle to a mechanic to get the codes read.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Truck suddenly has no power, won't rev above 4K, and idles fine.

Hello there, many faults will cause a lack of power on your 2003 Ford F-150. The most common would be a failed catalytic converter, throttle body plate malfunction, vacuum leak, throttle linkage, fuel pump, or a shift solenoid. When the...

Q: What does the tachometer gauge tell you on the dash?

One of the most important gauges to keep your eye on when you’re driving, the tachometer shows you how fast the engine is turning. Engine speed is measured in revolutions per minute (RPM). The gauge runs from 0 to 7...

Q: Idles high randomly

The only thing that can cause the engine to run this high of an idle is a vacuum leak and a misadjusted throttle body. Try having the engine checked to see where the vacuum leak is. The most common area...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.