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Resetting the inertial switch of a Fiat Grande Punto

Model: Fiat Punto 199, MK 3, Punto EVO, Grandepunto - Years 2005-2018
Part: Checks and maintenance

The inertial switch is a device introduced in cars with the task of blocking the flow of fuel in the event of an accident, in order to prevent possible fires from the start. Conceptually, it is a sphere held in a conical seat by a magnet. If this unit undergoes violent deceleration, the sphere comes out of its seat and cuts off power to the fuel pump, interrupting its flow. Once the dangerous condition has ceased and the integrity of our Fiat Grande Punto has been verified, we reset the inertial switch. Sitting in the front passenger seat, just below the glovebox, to the right of the molding that stops the trim, we will see an opening in which, by inserting our fingers, we will find a switch, by pressing which we will restore the fuel flow.

Posted on 19 February 2023 by ScegliAuto

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How to Remove the Engine Air Filter on a Fiat 500X

To remove the engine air filter on a Fiat 500X: open the car door, pull up the lever to open the engine bay located at the bottom left of the dashboard and lift the front bonnet, securing it with the prop rod. Unscrew the retaining bolts of the air intake kit (located above the engine head), remove the cover of the filter box and extract the worn air filter. Insert a new filter into the designated housing (ensuring it fits snugly against the walls). Finally, reassemble the air box cover and tighten everything with the bolts. Close the front bonnet after maintenance.

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