Factors Leading to the Illumination of Check Engine Light in Pickup Truck

Factors Leading to the Illumination of Check Engine Light in Pickup Truck

Certain parts in your pickup truck help in detecting issues before it gets worse.

The check engine light illuminates whenever there is something wrong in your truck.

The check engine light is located on the dashboard of your pickup truck.

Here are the factors that cause the check engine light to illuminate.

Loose fuel cap

A loose fuel cap is one of the common reasons behind the illumination of the check engine light.

The cap is a crucial part of the pickup truck’s fuel delivery system.

It prevents gasoline fumes from leaving the fuel tank & maintains the correct pressure.

If your warning light illuminates just after filling the tank, then the fuel cap is loose.

Catalytic converter failure

The catalytic converter turns the carbon monoxide into carbon dioxide.

The catalytic converter is integrated into the pickup truck’s exhaust system.

Performing regular maintenance can help in preventing catalytic converter failure.

Whenever the catalytic converter fails, the check engine light illuminates.

Malfunctioning spark plug wires

The spark plug wire transfers electricity from the coil to the spark plug.

Without the spark, the fuel and air mixture in the cylinders wouldn’t ignite.

Symptoms of bad spark plug wire include rough idle & drop in engine performance.

The check engine light will also come on due to malfunctioning spark plug wires.

Preventive maintenance is the best method to avoid any issues in your truck.

Take your pickup truck to a certified repair shop to fix any issues.

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