Impulse Hatchback L4-1809cc 1.8L DOHC (4XF1-W) (1992)
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Oil Pressure Gauge: Description and Operation
With the ignition switch in ON or START, the oil pressure gauge will show low oil pressure until the engine is started and normal oil pressure is
obtained.
If the engine oil pressure falls below normal oil pressure and does not increase, the oil pressure sending unit will decrease in resistance and the oil
pressure gauge will show low oil pressure.
