Cause Of Engine Light On

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.

Cause of engine light on.

You have a bad. Gas cap is loose damaged or missing. 5 reasons your check engine light may be on your oxygen o2 sensor needs to be replaced. A steady light means there s no immediate cause for alarm but you should still get it checked out.

4 faulty ignition coil. Let s take a look at the most common issues. One sensor has a loose electrical connection or is damaged. 3 faulty catalytic converter.

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. Call ahead and make sure they can handle your make and model since some cars have special computers. Your oxygen sensor measures the amount of unburned oxygen in your.

Your gas cap seals the fuel system and helps maintain pressure within the fuel. The cap is a crucial part of a car s fuel delivery system. It could be a temporary. 2 loose gas cap.

Schedule auto repair email for free estimate auto repair coupons. Top 7 reasons your check engine light is on 1. Todayâ s modern cars trucks and suvâ s are very carefully monitored for fuel economy. 5 bad spark plug.

A loose fuel cap is one of the most common reasons why the check engine light turns on. 7 non compatible aftermarket alarm. In general five common malfunctions can cause the check engine light to come on and some of them are simple to fix yourself. Oxygen sensor needs to be.

Believe it or not the most common reason the cel will. Loose or damaged fuel cap.