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| The installation of a fuel shut-off valve -N109- is currently only planned for vehicles with diesel engine (only installed on VW vehicles; introduction for Audi vehicles not yet finalised) → Electronic parts catalogue |
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| Currently no auxiliary heater with a fuel shut-off valve -N109- is installed in Audi A3 vehicles during production (introduction not yet finalised). However it is possible that individual vehicles have been retro-fitted with an auxiliary heater with a fuel shut-off valve -N109-; therefore it is important to pay attention to the correct version. |
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| Depending on version of auxiliary heater control unit -J364-, overheating fuse -S24- may also be referred to as overheating sensor -G189-. |
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