Engine Coolant Pressure Sensor Circuit Range/Performance

Common symptoms

What you'll notice

• Check the engine coolant level and ensure it is at the appropriate level.
• Inspect the wiring and connectors of the engine coolant pressure sensor for any damage or loose connections.
• Clean the engine coolant pressure sensor to remove any dirt or debris that may be affecting its performance.
• Replace the engine coolant pressure sensor if it is determined to be faulty or malfunctioning.
• Verify that the engine coolant pressure sensor is receiving the correct voltage and signals from the vehicle's computer system.

Common causes

Most likely first

1. Faulty engine coolant pressure sensor
2. Low coolant level
3. Faulty thermostat
4. Cooling system leak
5. Faulty engine coolant temperature sensor

How to diagnose & fix

Work through it in order

1. Check engine light illuminates on the dashboard
2. Engine overheating or running hotter than usual
3. Loss of engine power or decreased acceleration
4. Poor fuel efficiency and decrease in mileage
5. Difficulty starting the engine or engine stalling