1. Verify that the oil pressure warning light illuminates when the ignition switch is at ON position.
2. Verify that the oil pressure warning light goes off when the engine is started.
- If the related wiring harness are normal, inspect the oil pressure. (See OIL PRESSURE INSPECTION.)
- If the oil pressure is normal, replace the oil pressure switch.
Mazda 6 Service Manual: Solenoid valve removal/installation
1. Disconnect the negative battery cable.
2. Remove the under cover.
3. Remove the control valve body. (See CONTROL VALVE BODY REMOVAL.)
4. Remove the solenoid valve(s).
5. Apply ATF to a new O-ring and install it on the solenoid valve.
6. Install the solenoid valve in the control valve body. ...
Mazda 6 Service Manual: Oil pressure inspection
Warning
Continuous exposure to USED engine oil has caused skin cancer in
laboratory mice. Protect your skin by washing with soap and water
immediately after working with engine oil.
Hot engines and engine oil can cause severe burns. Turn off the
engine and wait until it and the engine ...