What causes the Check Engine light to come on in a car?
If the vehicle’s gas cap is loose or missing, the car’s computer can register this as a problem with the emissions system. Gasoline from the tank may evaporate out, lowering the mileage on the car. This problem is usually very easy to fix. If the cap is loose, the check engine light should go off a day or two after it’s tightened.
Where can I find the code on my Check Engine light?
Do-it-yourselfers can buy inexpensive code readers from an auto parts store or online that connect to the onboard diagnostics (OBD) port and search for the code’s meaning on websites such as Engine Light Help. Modern systems will display the code in an app on your smartphone.
Can a loose gas cap cause a check engine light to come on?
Loose or damaged gas cap: It’s hard to believe that a gas cap can prompt your check engine light to come on, but it can. Your gas cap acts as the seal for your fuel system and it helps maintain the pressure in your fuel tank.
What to do when your check engine light Pops on?
When that annoying yellow light pops on, the first thing you should do is pull over and inspect your gas cap. If it is loose, a quick tighten could very well solve your problem.
What happens if your check engine light is on?
Doing so can lead to safety issues, a roadside breakdown or costly repairs down the line. If your Check Engine Light is on, our Professional Parts People will scan the code for you and provide a list of possible fixes. Some codes may call for further diagnosis.
Do-it-yourselfers can buy inexpensive code readers from an auto parts store or online that connect to the onboard diagnostics (OBD) port and search for the code’s meaning on websites such as Engine Light Help. Modern systems will display the code in an app on your smartphone.
What to do if you see a warning light at AutoZone?
If you see a warning light, come to AutoZone Fix Finder reads information from the Check Engine, ABS, and maintenance lights. The test often takes less than a minute once the reader is plugged in. Find the closest store to you.
What does a check engine light ( CEL ) mean?
While it’s often assumed that the check engine light (CEL) is an indication of a major mechanical issue, this isn’t always the case. In fact, according to many professional mechanics, a warning light can be caused by a minor electrical glitch. Still, anytime a CEL illuminates on your dashboard, it is something that should be taken seriously.
Officially known as a malfunction indicator lamp, the check engine light can go on for a number of different reasons. In some cars, something as simple as a loose gas cap, which the car’s computer can read this as a leak in the emissions system, or even a change in humidity can cause the light to come on.
What does “check engine” light usually mean?
The check engine light is a signal that the onboard diagnostics system (or OBD II) has detected a malfunction in the vehicle’s emissions, ignition, fuel or exhaust systems.
Is car safe to drive with check engine light on?
Whether or not it’s safe to drive with the check engine light on depends on vehicle performance with the light on and the root cause of its illumination. Regardless, you should always have your car inspected as soon as possible after the light turns on.
Should I trade car in with check engine light on?
A check engine light should not be a serious barrier to trading in a car. Some research before you go visit the dealership will allow you to trade in the car and receive the best value for the trade. Modern cars have an onboard engine control computer and other instruments that monitor the car’s functions.
Officially known as a malfunction indicator lamp, the check engine light can go on for a number of different reasons. In some cars, something as simple as a loose gas cap, which the car’s computer can read this as a leak in the emissions system, or even a change in humidity can cause the light to come on.
The check engine light is a signal that the onboard diagnostics system (or OBD II) has detected a malfunction in the vehicle’s emissions, ignition, fuel or exhaust systems.
Whether or not it’s safe to drive with the check engine light on depends on vehicle performance with the light on and the root cause of its illumination. Regardless, you should always have your car inspected as soon as possible after the light turns on.
A check engine light should not be a serious barrier to trading in a car. Some research before you go visit the dealership will allow you to trade in the car and receive the best value for the trade. Modern cars have an onboard engine control computer and other instruments that monitor the car’s functions.
What do I do if my check engine light comes on?
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. Check your dashboard gauges and lights for indications of low oil pressure or overheating. These conditions mean you should pull over and shut off the engine as soon as you can find a safe place to do so.
What can cause your check engine light to come on?
A loose gas cap can cause the check engine light to come on. A problem with a spark plug can cause the check engine light to come on. When the check engine light goes on, check under the hood for frayed wires that may need to be fixed right away.
Why does the Check Engine light come on while driving?
A loose fuel cap is one of the most common reasons why the check engine light turns on. The cap is a crucial part of a car’s fuel delivery system. It notably prevents gasoline fumes from leaving the fuel tank, and it helps keep the whole system under the correct pressure.