TT Quattro Roadster L4-1.8L Turbo (AMU) (2002)
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Unscrew oil pressure switch and screw in oil pressure tester V.A.G 1342.
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Screw oil pressure switch - 2 - into V.A.G 1342.
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Start engine (engine oil temperature at least 80°C).
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Oil pressure at idling speed: at least 1.3 bar
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Oil pressure at 2000 rpm: between 3.5 and 4.5 bar
If the specifications are not obtained:
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Replace oil filter bracket with pressure relief valve or replace oil pump.