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Home >> Oldsmobile >> 1984 >> Toronado 4.1 4 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Standard >> Testing >> Oil Pressure Gauge

Oil Pressure Gauge

  1. With ignition on, disconnect wire at sending unit. Gauge should read 60 psi. Ground sending unit wire. Gauge should read 0 psi. If gauge reads correctly, replace sending unit. If gauge did not read correctly, remove gauge and check wiring from gauge connector to sending unit. Repair as necessary.
  2. If wiring is okay, connect 12 volts to 12 volt terminal on gauge. Ground other terminal. If gauge does not read 60 psi, replace gauge. If gauge reads 60 psi, connect jumper wire from sending unit terminal on gauge to ground terminal.
  3. If gauge does not read 0 psi, replace gauge. If gauge reads 0 psi, check circuit board and gauge connectors for open circuit.
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