Knock sensor A16 removal and installation procedure for Smart Fortwo 454.0 engine, located on crankcase with bolt and connector.

Engine knock sensor removal diagram with numbered callouts and torque specifications.

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See all Powertrain figures for the Fortwo / Forfour (453), 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.