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How to Resolve the Yellow Warning Light Issue on a Fiat Punto Evo

Model: Fiat Punto MK 3, Punto EVO, 199, Grandepunto - Years 2005-2018
Part: Warning light – error code

In this video, we see how to resolve the yellow warning light issue on a Fiat Punto Evo multipower running on methane. The engine light remains on despite the YouTuber attempting to reset the light by clearing the error via the OBD port, but upon restarting the car, the light comes back on. This corresponds to error P0191, which relates to the pressure sensor; indeed, the vehicle cannot switch from petrol to methane fuel. Therefore, you need to identify the pressure sensor, remove it, clean it, and see what happens. The sensor is located on the left side of the filter box, at the bottom, inserted within the intake manifold. First, unplug the connector, then remove the side Torx 25 screw and gently pull out the sensor. Do not touch it with your hands! (the YouTuber shows how to do this) and clean it with Fulcron and a contact cleaner spray. Wait for it to dry, clean the connector as well, and reassemble. The light has turned off and the vehicle switches to methane.

Updated on 5 August 2026 by ScegliAuto

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How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

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by ScegliAuto

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