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P0093 Subaru Code - Fuel System Large Leak Detected

- Code Popularity: 6,424 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0093 Subaru?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Fuel system internal leak
  • Fuel supply pump or injector(s)
  • Faulty pressure limiter valve
  • Faulty fuel pressure sensor
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How to Fix the DTC P0093 Subaru?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0093 Subaru code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

Fuel rail pressure lower than expected

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P0093 Subaru Description

The Powertrain Control Module (PCM) monitors the fuel system. The PCM sets the OBDII code when it detects a large fuel system leak.

OBDII Code P0093 Subaru - Fuel System Large Leak Detected - AutoCodes.com
P0093 Subaru Code - Fuel System Large Leak Detected

Need More Information on the Code?

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Code P0093 Subaru comments

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