Guide to check when the Check Engine light on the car lights up

Guide to check when the Check Engine light on the car lights up

Check Engine is an error warning function in a car that cannot tell you what the fault is. So when the Check Engine light is on, what are the problems in your car?

1. The fuel tank cap is open

Losing the fuel tank cap or the open or uncovered fuel tank cap after refueling is the reason that the Check Engine light on the dashboard of the vehicle shows an error. Check this part and cover, replace the fuel tank cap for a more sealed cover.

2. Damage to the fuel injector

It is possible that the vehicle’s fuel injector is clogged, damaged by a lot of dirt from the dirty fuel that has accumulated for a long time affecting the engine and the vehicle has a light to warn on the dashboard.

3. The oxygen sensor is damaged

An oxygen sensor is a common cause of the Check Engine light on. The cause may be faulty car maintenance or poor gasoline quality causing sensor damage.

4. The flame coil is damaged

This is the part that supplies high voltage power so that the spark plug creates electric spark for the engine to explode. When the ignition coil part is damaged due to the engine running hot and affecting the ignition wire and causing the vehicle to not work, it consumes heavy fuel.

5. The spark plug and spark plug connector cord is damaged

Damaged spark plugs and high-voltage conductors at the spark plug connector are also the cause of the Check Engine light emitting warning, you need to fix immediately to avoid damage to the catalytic converter, fuel consumption.

6. The air sensor is broken

When the air sensor is damaged it will not be able to put the required amount of air into the engine and the right fuel injection helps to adjust the fuel mode properly and that is the reason that the Check Engine light is on.

7. Damaged gas vapor control system

This part is located on the gas pipeline to help recover and treat the gas vapors entering the vehicle, minimizing environmental pollution. When this part is damaged, the gas vapor spread out and into the vehicle causing the Check Engine light to light up.

8. Defective air circulation and exhaust cleaning system

This system helps to put part of the exhaust back into the intake air to reduce pollution concentrations and increase engine efficiency. During a long period of working, this system has a lot of soot in the exhaust, causing damage and causing the engine to drain fuel and the Check Engine lamp gives an error warning.

9. The catalytic converter is damaged

This is the part that handles harmful exhaust gas components before being discharged into the environment. When this part is damaged, the fuel will not be burned, creating smoke clinging to the soot, and damage to the engine is the reason why the Check Engine lamp fails.

10. Charger and battery parts are defective

Due to long life time can cause the car battery parts to be damaged, the vehicle is unstable when running, affects many electric parts on the vehicle and the Check Engine light should warn you to check for errors.

Source link < Guide to check when the Check Engine light on the car lights up > Automotivesta.com

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