Corrado V6-2792cc 2.8L DOHC (1992)
Oil Pressure Sender: Testing and Inspection
Oil pressure warning system, checking
- remove 1.4 bar (20 psi) oil pressure switch (F1-black insulation) and screw into test unit VW 1342
- screw test unit VW 1342 into oil filter bracket in place of switch
- connect brown wire of test unit to ground
- connect LED test lamp VAG 1527a (US 1115) with lead from VW 1594 to 0.3 bar( 4.4 psi) oil pressure switch A (F22-brown insulation)
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test lamp must light
- start engine and slowly increase RPM
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test lamp must go out at 0.15-0.4 bar (2.2-6.5 psi)
If NO, replace switch
- connect LED test lamp to 1.4 bar (20 psi) oil pressure switch B (F1-black insulation)
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test lamp must light at 1.6-2.0 bar (23-29 psi)
If NO, replace switch
- increase and hold engine speed at steady 2000 RPM
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oil pressure must be minimum of 2.0 bar (29 psi)