Cause Of Engine Light On

Let s take a look at the most common issues.

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. You have a bad. Top 7 reasons your check engine light is on 1. The cap is a crucial part of a car s fuel delivery system.

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. Believe it or not the most common reason the cel will. 3 faulty catalytic converter. 6 bad mass air flow sensor.

5 reasons your check engine light may be on your oxygen o2 sensor needs to be replaced. Schedule auto repair email for free estimate auto repair coupons. Todayâ s modern cars trucks and suvâ s are very carefully monitored for fuel economy. It could be a temporary.

A steady light means there s no immediate cause for alarm but you should still get it checked out. 1 faulty oxygen sensor. 4 faulty ignition coil. Chevrolet check engine light.

7 non compatible aftermarket alarm. Your gas cap seals the fuel system and helps maintain pressure within the fuel. In general five common malfunctions can cause the check engine light to come on and some of them are simple to fix yourself. Gas cap is loose damaged or missing.

Call ahead and make sure they can handle your make and model since some cars have special computers. A loose fuel cap is one of the most common reasons why the check engine light turns on. One sensor has a loose electrical connection or is damaged. Loose or damaged fuel cap.

Your oxygen sensor measures the amount of unburned oxygen in your. 2 loose gas cap.