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How to Reset the Emission Warning Light or Engine Fault Light

Model: (Various brands) Various
Part: Warning light – error code

Video tutorial

This video explains in detail how to reset the emission warning light, or engine fault light, in your car. If the light remains on a few seconds after turning on the ignition, simply remove the fuse corresponding to the light and leave it disconnected for a couple of minutes.

Alternatively, you can disconnect the negative terminal of your car's battery for the same duration.

Once the necessary time has passed, you can restore and reconnect everything, achieving a reset of your car's ECU.


Updated on 31 March 2026 by ScegliAuto


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How to Reset the Tire Pressure Light on a MG ZS?

On the instrument cluster of the MG ZS, the tire pressure light that appears can be reset by inflating the tires to the correct pressure: this value will be indicated on the sticker attached to the driver's door pillar. Once the tires have been properly inflated, you can turn on the instrument cluster and navigate through the menu until you find the option that indicates tire pressure: if this screen shows the new values, the light will turn off; otherwise, you will need to drive for a few miles so that the sensors can read the new values and turn off the light afterward.

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by ScegliAuto

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