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Replacing Injectors on a Smart Fortwo

Model: Smart Smart 450 - Years 1998-2007
Part: Fuel injectors

Let’s see how to remove the injectors from the Smart Fortwo. First, lift the hatch covering the boot. Disconnect the electrical connectors from the battery (unscrew them). Using the appropriate insert, unscrew the injectors. Use a socket wrench to unscrew and extract the injectors from the cylinder head; take the new injectors and insert them into the cylinder head using the socket wrench. Connect the power connectors and refit the cylinder head cover once the replacement is complete. Test the vehicle's operation after all parts have been fitted.

Updated on 2 May 2026 by ScegliAuto

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