What can cause a service engine light to come on?
Six of the most common malfunctions that cause the check engine light to come on are:
- Loose or Faulty Gas Cap.
- Vacuum Leaks.
- Spark Plugs, Ignition Coils or Ignition Wires.
- Oxygen Sensor.
- Mass Air Flow Sensor.
- Catalytic Converter.
When does the service engine soon light come on?
If your Check engine light is ON, the easiest way to diagnose this problem is to always check your trouble code memory with an OBD2 scanner. The check engine light will not light up if there is a scheduled service as the service engine soon light. It does only occur when there is a problem with your engine.
Why does my check engine light not light up?
If your Check engine light is ON, the easiest way to diagnose this problem is to always check your trouble code memory with an OBD2 scanner. The check engine light will not light up if there is a scheduled service as the service engine soon light.
Is the service required light the same as the Check Engine light?
Some drivers may confuse the service required or maintenance required light on the gauge cluster for the check engine light. These warning lights are unrelated. The service required light just means the car is due for an oil change or other routine care. It is not an indicator of trouble like the check engine light is.
What to do if your engine maintenance light goes out?
Check your engine control unit for any stored trouble codes. If you receive any codes, save them and try to get information about what they mean. If there are codes for emission problems that are not dangerous for your engine, you can try deleting the code to see if the engine maintenance light goes out.
What makes a service engine soon light come on?
- the engine control module (ECM) and power train control module (PCM) perform a series of checks of the
- Stuck Thermostat
- according to 2CarPros.com.
- Epilogue.
What are the reasons why the service engine light comes on?
- One Sensor has a Loose Electrical Connection or is Damaged.
- trucks and SUV’s are very carefully monitored for fuel economy and emissions.
- Damaged O2 sensor.
- Catalytic Converter is Clogged.
- Air Filter or Fuel Filter is Dirty.
- Mass Air Flow Sensor is Damaged.
- Engine has Oil Lubrication Issues.
What causes the service engine light to come on?
- Loose gas cap. This is one of the most common causes of the service engine indicator light to go on.
- Spark plug issues. Spark plugs are an essential part of the combustion process in your engine.
- Malfunctioning oxygen sensor. Oxygen sensors monitor the levels of oxygen in the gas that is leaving the engine.
- Faulty Mass Airflow Sensor.
Why does the service engine light come on?
The service engine light comes on in your vehicle because the computer has diagnosed that something isn’t quite right. When the light comes on, a code is stored as the reason for triggering the light.