A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000)
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Remove oil pressure switch and install VAG 1342 oil pressure tester.
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Install oil pressure switch into VAG1342 oil pressure tester.
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Start engine.
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Engine oil temperature approximately 80°C (176°F).
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Oil pressure at idle: 1.0 - 3.5 bar (14.5 - 50.75 psi)
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Oil pressure at 3000 RPM: 5.0 - 7.0 bar (72.5 - 101.5 psi)
If specified values are not obtained, the pressure relief valve or the oil pump is faulty.
Replace oil pump, Refer to Oil Pump, Service and Repair.