Oil pressure switch (S41/1) removal, checking, and installation procedure for smart fortwo 450/451 engines 132.9 and 660.9.

Service procedure for oil pressure switch with engine photos, numbered steps 1-15, and parts reference table.

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See all Powertrain figures for the Fortwo (450), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.