Engine sensors and timing chain

P0320 Engine speed signal drops out

By: Diagno editorial team · Updated: 2026-10-15

P0320 means: Engine speed signal drops out. The crankshaft sensor tells the engine computer how fast the engine is turning and where it is in its rotation. Don't drive until the car has been checked. The engine could be damaged. The repair usually costs about €60–300 in Estonia.

Is it safe to drive?Don't driveDon't drive until the car has been checked. The engine could be damaged.

Typical repair cost€60–300parts and labour in Estonia

What it means

The crankshaft sensor tells the engine computer how fast the engine is turning and where it is in its rotation. The engine can't run without it.

What could be wrong

1Crankshaft sensor has failed
2Connector or wire
3Sensor reluctor ring is damaged

What you can check yourself

Don't drive long distances: the engine can stall while driving. Check the sensor connector. Best left to a workshop. It needs a diagnostic tool and experience.

How we fix it

We check the sensor signal
We check the wiring and connector
We replace the sensor

Standard SAE description: Ignition/Distributor Engine Speed Input Circuit

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.

Book a diagnostic check

Questions

What does fault code P0320 mean?

Engine speed signal drops out. The crankshaft sensor tells the engine computer how fast the engine is turning and where it is in its rotation. The engine can't run without it.

Can I drive with code P0320?

Don't drive until the car has been checked. The engine could be damaged.

How much does it cost to fix P0320?

Roughly €60–300 in Estonia. The price depends on exactly what has failed and on the car.

How is P0320 fixed?

We check the sensor signal. We check the wiring and connector. We replace the sensor.

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.