A4 Sedan V6-3.2L (BKH) (2007)
Fuel Pressure: Testing and Inspection
Fuel and Residual Pressures Before High Pressure Pump, Checking
Fuel and Residual Pressures before High Pressure Pump, Checking
Special tools, testers and auxiliary items required
‹› Hand held remote control (jumper).
‹› Electrical connector test lead set.
‹› Fuel pressure test set (high pressure).
‹› Measuring container, fuel-resistant.
Test requirements
‹› The Fuel Pump (FP) Control Module (J538) OK.
‹› The fuel filter OK.
‹› The parking brake engaged.
‹› Battery voltage at least 12.5 V.
‹› The selector lever of automatic transmission in position "P" or " N".
‹› All electrical consumers switched off (radiator fan must NOT run during test).
‹› A/C switched off.
‹› The fuel tank at least 1/4 filled.
‹› The ignition switched off.
Checking system pressure
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Remove the rear seat bench.
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Remove the cover for the right locking flange - arrows -.
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Disconnect the electrical harness connector - arrow - from the fuel delivery unit.