Cause Of Engine Light On

A steady light means there s no immediate cause for alarm but you should still get it checked out.

Cause of engine light on.

Chevrolet check engine light. 4 faulty ignition coil. 2 loose gas cap. Gas cap is loose damaged or missing.

The cap is a crucial part of a car s fuel delivery system. 6 bad mass air flow sensor. A loose fuel cap is one of the most common reasons why the check engine light turns on. You have a bad.

Let s take a look at the most common issues. It notably prevents gasoline fumes from leaving. Your gas cap seals the fuel system and helps maintain pressure within the fuel. Occasionally the check engine light comes on when nothing is wrong with the car said steve mazor chief automotive engineer for the auto club of southern california.

Top 7 reasons your check engine light is on 1. In general five common malfunctions can cause the check engine light to come on and some of them are simple to fix yourself. Your oxygen sensor measures the amount of unburned oxygen in your. Loose or damaged fuel cap.

Believe it or not the most common reason the cel will. 7 non compatible aftermarket alarm. 5 bad spark plug. Schedule auto repair email for free estimate auto repair coupons.

3 faulty catalytic converter. 5 reasons your check engine light may be on your oxygen o2 sensor needs to be replaced. Call ahead and make sure they can handle your make and model since some cars have special computers. 1 faulty oxygen sensor.

Head to an auto parts store and have them run a diagnostic to find the cause of the check engine light. It could be a temporary.