Passat Wagon L4-2.0L Turbo (BPY) (2008)
c. If problem persists, further fuel system diagnosis is required.
Tip:
Some technicians may still wish to use a mechanical gauge to check fuel pressure.
To verify low side fuel pressure, a mechanical fuel pressure gauge may be connected in the engine compartment (figure 1).
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Add 1 bar (14.5 psi) to value obtained from mechanical gauge to calculate adjusted gauge measurement.
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Compare adjusted gauge measurement to value stored in MVB 103 field 1.
VAG 1318 gauge installed on a 2.0T FSI vehicle.
Tip:
MVB 103 field 1 value should be approximately 1 bar (14.5 psi) above mechanical gauge reading. This is a normal condition and does not indicate a
faulty sensor.
Sensor Identification