A high pressure fuel pump sensor is an essential electronic component in modern vehicle gasoline direct injection systems. Its main role is to measure the fuel pressure delivered by the high pressure pump and to transmit this information to the engine's ECU (electronic control unit). AUDI: 06F 127 025B, 06F 127 025F, 06F 127 025H, 06F 127 025J, 06F 127 025K, 06F 127 025L, 06F 127 025M, 06F 127 025B, 06F127025F, 06F127025H, 06F127025J, 06F127025K, 06F127025L, 06F127025M SEAT: 06F 127 025B, 06F 127 025F, 06F 127 025H, 06F 127 025J, 06F 127 025K, 06F 127 025L, 06F 127 025M, 06F 127 025B, 06F127025F, 06F127025H, 06F127025J, 06F127025K, 06F127025L, 06F127025M Engine code: AXX Chassis number (VIN) from: 1K 4 000 001 Engine code: BWA Chassis number (VIN) from: 1K 6 000 001, up to 1K 9 200 000 Eng.