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.

It notably prevents gasoline fumes from leaving. 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. In general five common malfunctions can cause the check engine light to come on and some of them are simple to fix yourself. One sensor has a loose electrical connection or is damaged.

Schedule auto repair email for free estimate auto repair coupons. 5 bad spark plug. The cap is a crucial part of a car s fuel delivery system. 2 loose gas cap.

Call ahead and make sure they can handle your make and model since some cars have special computers. Top 7 reasons your check engine light is on 1. 5 reasons your check engine light may be on your oxygen o2 sensor needs to be replaced. Oxygen sensor needs to be.

Chevrolet check engine light. Your gas cap seals the fuel system and helps maintain pressure within the fuel. Todayâ s modern cars trucks and suvâ s are very carefully monitored for fuel economy. Gas cap is loose damaged or missing.

3 faulty catalytic converter. Your oxygen sensor measures the amount of unburned oxygen in your. 4 faulty ignition coil. You have a bad.

6 bad mass air flow sensor. 7 non compatible aftermarket alarm. Believe it or not the most common reason the cel will. Loose or damaged fuel cap.

It could be a temporary. A loose fuel cap is one of the most common reasons why the check engine light turns on.