Table of contents: After turning on the ignition, the…🠇 Oil pressure warning light does not…🠇 The indicator light does not go out…🠇 Oil pressure too low across the…🠇 Too low oil pressure in the lower…🠇 Oil pressure too high at engine…🠇
After turning on the ignition, the oil pressure indicator light does not come on
The oil pressure sensor is faulty
- Turn on the ignition, disconnect the wire from the oil pressure sensor and connect it to the "ground" (-). If the indicator light comes on, replace the sensor
The oil pressure sensor is not receiving power due to oxidation of the contacts
- Check the wire and contacts
The signal lamp is faulty
- Replace the light bulb
Oil pressure warning light does not go out after engine start
Oil too hot
- Ignore it if the indicator light goes out when you press the accelerator
The indicator light does not go out when you press the accelerator pedal or remains on while driving
Oil pressure too low
- Check the oil level. Top up if necessary. Check that the oil pressure is in accordance with the vehicle's operating manual
The electrical wire to the oil pressure regulator is shorted to the housing
- Disconnect the wire from the oil pressure sensor and put it aside (do not bring it to the "ground" (-)). Turn on the ignition. If the indicator light comes on, check the wiring
The oil pressure sensor is faulty
- Replace the regulator
Oil pressure too low across the entire engine speed range
There is too little oil in the engine
- Add oil
The mesh filter of the oil intake pipe in the sump is clogged
- Remove the oil pan, clean the mesh filter, replace it if necessary
The oil pump is faulty
- Remove and inspect the pump. Replace if necessary
Defective crankshaft bearing shells
- Remove the engine
Too low oil pressure in the lower engine speed range
Due to contamination, the pressure reducing valve was stuck open
- Remove and check the valve
Oil pressure too high at engine speeds above 2000 rpm
The pressure reducing valve does not open due to contamination
- Remove and check the valve