P0193Medium urgency

Fuel Rail Pressure Sensor Circuit High Input

Fuel System · Fuel Pressure

⚠️ Fix soon — fuel delivery may be unreliable.

What this means

The fuel rail pressure sensor is reporting pressure higher than the maximum expected value. Usually indicates a faulty sensor, but can also indicate a stuck-closed fuel pressure regulator.

Likely causes

Failed fuel rail pressure sensorMost common
Stuck-closed fuel pressure regulatorCommon
Wiring short to voltageCommon

Estimated repair cost

Fuel pressure sensor replacement$100 – $300

Fuel pressure regulator$100 – $350

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Frequently asked questions

What does P0193 mean?

The fuel rail pressure sensor is reporting pressure higher than the maximum expected value. Usually indicates a faulty sensor, but can also indicate a stuck-closed fuel pressure regulator.

Is P0193 serious?

Fix soon — fuel delivery may be unreliable.

How much does it cost to fix P0193?

Repair costs for P0193 range from $100 – $300 depending on the root cause and your vehicle.

Can I drive with P0193?

You can drive short distances but should have it repaired within 1-2 weeks to prevent further damage.