What do certain engine lights mean?

What do these engine lights 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. … All cars and light trucks have onboard diagnostics that are supposed to detect engine-related problems that affect the emissions control systems.

What does a light mean on my dashboard?

The light will come on to alert you about standard maintenance items such as low fuel, when it’s time for an oil change or if air pressure is low. The dashboard light can also indicate a more serious issue such as brake system warning, low oil pressure, engine temperature or other issues with your engine.

What causes engine warning light to come on?

Your engine management light may come on if the oxygen sensor detects your car is running fuel which is too rich or too lean. There may also be a fault with the sensor. … A missing, clogged or damaged air filter can itself damage the mass airflow sensor and cause the engine light to come on.

Is it safe to drive with check engine light on?

The rule of thumb is that if the check engine light is flashing, you can’t keep driving the car. It’s an emergency. Often it indicates an engine misfire. If you keep driving, you will likely cause irreversible damage, mostly to the (expensive) catalytic converter.

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What does orange engine light mean?

The orange, engine-shaped icon on your car dashboard’s instrument cluster is programmed to turn on when the vehicle’s electronic brain detects something is wrong. Don’t panic if you see it — it doesn’t necessarily mean you’ll need to give your next paycheck to the nearest mechanic.

Can check engine light mean transmission problems?

It’s normal for your check engine light to go one in the event of an issue with your car. … Your check engine light going on doesn’t mean it’s your transmission, but if you are experiencing any of the above symptoms along with it, get your car in to see your service technician as soon as possible.

How do you fix a check engine light?

If the check engine light comes on, here are some tips on what you should do:

  1. Look for a serious problem that requires immediate attention. …
  2. Try tightening your gas cap. …
  3. Reduce speed and load. …
  4. Use built-in diagnostic services, if available.

What does engine oil pressure indicate?

Auto manufacturers use an oil pressure warning light on the dashboard to warn the driver if the oil pressure gets too low. Some vehicles are able to distinguish between low oil levels and insufficient oil pressure so you’ll know if the pump is malfunctioning or if you just need to add some more oil.

Can low fuel cause check engine light?

Bottom line: Yes, if you see a pattern in which the engine light comes on during periods that your tank is low, then turns off right after you fill it (and tighten the gas cap!), one of the above issues is probably going on.

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