Touareg V6-3.2L (BMX) (2005)
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Cut-off tap of pressure tester - arrow - must be close.
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Start the engine and run at idle speed.
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Screw valve on T-piece of adapters (V.A.G 1318/20) clockwise into bleed valve to stop.
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Open cut-off tap of pressure tester briefly and close again to bleed line to pressure tester.
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Measure fuel pressure. Specified value: approximately 4.0 bar positive pressure
If the specification is not obtained:
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Check delivery rate of fuel pumps: --> [ Fuel Pumps, Checking ] See: Computers and Control Systems/Testing and Inspection/Component Tests
and General Diagnostics/Fuel Pumps, Checking.
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If necessary, replace fuel pressure regulator - 2 -.