Cause Of Engine Light On

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

Cause of engine light on.

6 bad mass air flow sensor. Schedule auto repair email for free estimate auto repair coupons. 3 faulty catalytic converter. It notably prevents gasoline fumes from leaving.

1 faulty oxygen sensor. 5 bad spark plug. Loose or damaged fuel cap. 4 faulty ignition coil.

Oxygen sensor needs to be. Gas cap is loose damaged or missing. It could be a temporary. The cap is a crucial part of a car s fuel delivery system.

Chevrolet check engine light. 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. You have a bad. Your oxygen sensor measures the amount of unburned oxygen in your.

Top 7 reasons your check engine light is on 1. A steady light means there s no immediate cause for alarm but you should still get it checked out. Call ahead and make sure they can handle your make and model since some cars have special computers. Your gas cap seals the fuel system and helps maintain pressure within the fuel.

A loose fuel cap is one of the most common reasons why the check engine light turns on. Let s take a look at the most common issues. Believe it or not the most common reason the cel will. In general five common malfunctions can cause the check engine light to come on and some of them are simple to fix yourself.

Todayâ s modern cars trucks and suvâ s are very carefully monitored for fuel economy. 2 loose gas cap.