High Pressure Fuel Pump for 2.0T TSI VW and Audi Models
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The high pressure fuel pump (HPFP) on the Volkswagen TSI engine is mounted on the driver’s side of the cylinder head and is driven by the camshaft. While the FSI engines had more common issues related to the High Pressure Fuel Pump the TSI has less. Most commonly anyone not familiar with the difference between the TSI and FSI engine will find info about the high pressure fuel pump and cam follower issue on the FSI engine, and think this info applies the their TSI car. This is not the case. The 2.0T TSI engine uses a different cam follower and fuel pump than the FSI engine, and cam follower wear is not an issue on the 2.0T TSI. Please see below for a picture of a VW TSI engine, we hope this helps in determining which engine you have in case you are unsure.
When the fuel pump fails on your 2.0T TSI engine you are likely to end up with faults relating to fuel pressure. Possibly fault code P2293, which refers to the Fuel Pressure Regulator Valve (N276). You also may experience the fault code P0087, which is fuel rail/system pressure too low. Diagnosing this part can be complicated and you should consider have a VW or Audi specialist or dealer diagnose your issue to confirm that the High Pressure Fuel Pump is indeed bad on your 2.0T TSI engine.
Please note the VW and Audi 2.0T TSI High Pressure Fuel Pump (HPFP) has changed part numbers a few times, and it is important you get the most current version when replacing your pump.
Previous versions of this pump are 06H-127-025-P, 06H-127-025-N, 06H-127-025-M, 06H-127-025-K, 06H-127-025-G, 06H-127-025-E
We also have a great DIY on the High Pressure Fuel Pump HERE
We answered a question related to this on the AskDAP Show. Take a look here