Diyvehiclerepair
- Does the check engine light always mean something bad?
- When should I be worried about check engine light?
- Can you drive with engine light on?
- What does a solid check engine light mean?
- What happens when the oxygen sensor goes bad?
- Why is my engine light on and car shaking?
- Can AutoZone check engine light?
- What does a yellow check engine light mean?
- Is a solid check engine light serious?
- How far can you drive with check engine light?
- Why did my check engine light come on all of a sudden?
Does the check engine light always mean something bad?
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.
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.
Can you drive with 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.
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.
What happens when the oxygen sensor goes bad?
If your vehicle has a bad oxygen sensor, it could run irregularly or sound rough when it idles. A faulty oxygen sensor can impact your engine's timing, combustion intervals, and other essential functions. You could also notice stalling or slow acceleration.
Why is my engine light on and car shaking?
Usually, when the check engine light is on and the car is shaking, that means you're dealing with an engine misfire. ... An engine misfire—a problem that almost always causes an increase in hydrocarbon emissions —is one of the many reasons why the check engine light might illuminate (or start to flash).
Can AutoZone check engine light?
Does AutoZone Scan Check Engine Lights? AutoZone does. If your light is 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.
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.
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 far can you 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.
Why did my check engine light come on all of a sudden?
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. ... If your check engine light turns on immediately after a fill-up, pull over and make sure the cap isn't loose — or still on your car's roof.
