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What do engine lights mean?

1. Check Engine Light (CEL)

- One of the most common issues indicated by the check engine light is an emission system issue. Faulty sensors, emission leaks, or issues in emission controls can cause this light to illuminate.

- It can also indicate problems like:

- Problems with the catalytic converters

- Misfiring engine

- O2 sensors

- Failing gas cap

- Fuel injectors

- Electrical issues

2. Low Oil Pressure Warning Light

- This usually means that the oil pressure in your engine is too low for proper lubrication.

- Low oil levels, clogged oil filter, or a faulty oil pressure sending unit can cause this issue.

3. Low Coolant Temperature Light

- This indicates that your engine is running too cold, which can be a problem if your engine does not warm up enough to operate properly.

- Issues like a faulty thermostat, coolant leak, or low coolant levels can cause this issue.

4. High Engine Temperature Light

- This light indicates that your engine is overheating, which can cause serious damage to various engine components and lead to further problems.

- Causes of this issue can be a:

- Coolant leak

- Blocked or restricted coolant flow

- Failing thermostat

- Malfunctioning water pump

- Low coolant levels

5. Battery/Charging System Warning Light

- This light warns that your vehicle's battery is not being properly charged.

- Malfunctions in the alternator, battery, or wiring related to the charging system can be possible causes.

6. Brake Warning Light

- This light can illuminate due to low brake fluid levels or issues in the brake system, including worn-out brake pads, faulty brake fluid sensors, or issues in the parking brake.

7. Anti-Lock Brake System (ABS) Warning Light

- This means that the ABS system in your vehicle has malfunctioned or has been disabled.

- Wheel speed sensors, ABS module failures, or faulty wiring can cause this problem.

8. Airbag Warning Light

- This warns of a potential problem with your vehicle's airbag system.

- Sensor issues, faulty wiring, problems in the airbag module, or a low battery may be the cause.

It's important to note that these lights are designed to alert you of potential issues, and the actions to be taken may differ based on your specific vehicle model and situation. If you encounter any of these warning lights, it's recommended to have your vehicle inspected and serviced by a qualified professional as soon as possible to avoid further damage and ensure safety on the road.