Cause Of Engine Light On

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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. 3 faulty catalytic converter. Your oxygen sensor measures the amount of unburned oxygen in your. Chevrolet check engine light.

It could be a temporary. 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. 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.

1 faulty oxygen sensor. 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. 5 reasons your check engine light may be on your oxygen o2 sensor needs to be replaced.

Loose or damaged fuel cap. Believe it or not the most common reason the cel will. You have a bad. One sensor has a loose electrical connection or is damaged.

A loose fuel cap is one of the most common reasons why the check engine light turns on. 4 faulty ignition coil. Gas cap is loose damaged or missing. The cap is a crucial part of a car s fuel delivery system.

2 loose gas cap. It notably prevents gasoline fumes from leaving. 5 bad spark plug. Let s take a look at the most common issues.

A steady light means there s no immediate cause for alarm but you should still get it checked out. Todayâ s modern cars trucks and suvâ s are very carefully monitored for fuel economy.