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Oil pressure

P0520 Fault in the oil pressure sensor wiring

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P0520 means: Fault in the oil pressure sensor wiring. The oil pressure sensor tells whether the engine has oil pressure. Drive gently and have the car checked soon. The repair usually costs about €40–200 in Estonia. The most common cause: oil pressure sensor has failed.

Is it safe to drive?Get it checked soonDrive gently and have the car checked soon.
Typical repair cost€40–200parts and labour in Estonia

What it means

The oil pressure sensor tells whether the engine has oil pressure. The engine computer isn't getting a proper signal from it.

What could be wrong

  1. 1Oil pressure sensor has failed
  2. 2Connector or wire
  3. 3Rarely, genuinely low oil pressure

What you can check yourself

Check the oil level right away. If the red oil can light is on, switch the engine off. You can check the simple things yourself, but the repair is best done in a workshop.

How we fix it

  1. We measure oil pressure with a gauge
  2. We check the wiring
  3. We replace the sensor

Standard SAE description: Engine Oil Pressure Sensor/Switch Circuit

This code usually comes with: Oil pressure lightSee what the light means →

Want a definite answer?

Bring the car to our workshop in Estonia for diagnostics. We read the fault codes, test the sensors and tell you what is wrong. Repair price depends on the work involved, generally €45 per hour.

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Questions

What does fault code P0520 mean?

Fault in the oil pressure sensor wiring. The oil pressure sensor tells whether the engine has oil pressure. The engine computer isn't getting a proper signal from it.

Can I drive with code P0520?

Drive gently and have the car checked soon.

How much does it cost to fix P0520?

Roughly €40–200 in Estonia. The price depends on exactly what has failed and on the car.

How is P0520 fixed?

We measure oil pressure with a gauge. We check the wiring. We replace the sensor.

Related codes

P0521Oil pressure is wrongP0522Oil pressure sensor: signal or voltage too lowP0523Oil pressure sensor: signal or voltage too highP0524Oil pressure and sensor: too low

Based on AI combined with our hands-on workshop experience and knowledge. This information is general and prices are approximate (Estonian workshop rates). The same code can mean different things on different cars. Only an inspection of the car gives a definite answer.

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