What does the malfunction indicator light mean on a Jeep Cherokee?

What does the malfunction indicator light mean on a Jeep Cherokee?

The Engine Check/Malfunction Indicator Light (MIL) is a part of an Onboard Diagnostic System called OBD II that monitors engine and automatic transmission control systems. Certain conditions, such as a loose or missing gas cap, poor quality fuel, etc., may illuminate the light after engine start.

Why did my check engine light come on Jeep?

When your Jeep check engine light comes on, it means the onboard diagnostic system has detected a problem with the engine, emission system, and in some cases, even the transmission. The most common problems that trigger Jeep check engine lights to come on are worn spark plugs, bad oxygen sensors, or loose gas caps.

Why is My Check Engine light on in my Jeep Grand Cherokee?

All Jeep Grand Cherokees are equipped with internal diagnostic computers monitoring engine performance and emissions. A malfunction within the system will illuminate a check engine light. The systems are quite sensitize; even a loose gas cap will cause a check engine light to illuminate.

Why does my check engine light keep blinking?

If the check engine light in your Jeep Grand Cherokee starts flashing, that means that the problem needs hasty attention and your Jeep should be brought in promptly. This blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system.

Where is the diagnostic button on a Jeep Grand Cherokee?

Locate the Grand Cherokee’s diagnostic connection by looking below the steering column, near the brake pedal. Press the button on the scanner to check the system. The scan usually takes about 10 seconds. Once the codes appear on the scanner, press the button again to clear the diagnostic codes stored in the computer.

What does the Check Engine light on a Mercedes Benz mean?

The check engine light is part of the onboard diagnostics system, and displays in a few different ways. It can say “Check Engine”, it can be a symbol of an engine, it can even be a combination of both. This light illuminates in either an amber or red color and is part of the diagnostics system found on your vehicle.