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  1. E

    8P S3 Anyone had problems with the fuel relief valve on the fuel rail?

    ah ********. this is the old shape s3 isnt it? can someone move it into the new type s3 for me? pressure at the rail on a tfsi s3 should be 100+, hence that cam driven hpfp.
  2. E

    8P S3 Anyone had problems with the fuel relief valve on the fuel rail?

    been having problems with the car, fuel pressure jumping from good 120+ pressure to as low as 7 bar at the rail. i was told a fuel relief valve on the fuel rail maybe at fault. i bought part from audi at 19+vat. its a threaded piece that goes in below the inlet manifold and accepts fuel...