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AutoCodes - Generic - P12A1

P12A1 Code - Fuel Rail Pressure Sensor Inappropriately Low

- Code Popularity: 12,236 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P12A1?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Fuel Rail Pressure Sensor
  • Fuel Rail Pressure Sensor harness is open or shorted
  • Fuel Rail Pressure Sensor circuit poor electrical connection
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How to Fix the DTC P12A1?

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 P12A1 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.

What are Code Possible Symptoms?

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

Code P12A1 Description

The Engine Control Module (ECM) monitors the Fuel Rail Pressure Sensor. The ECM sets the OBDII code when the Fuel Rail Pressure Sensor is not to factory specifications.

OBDII Code P12A1 - Fuel Rail Pressure Sensor Inappropriately Low - AutoCodes.com
P12A1 Code - Fuel Rail Pressure Sensor Inappropriately Low

Need More Information on the Code?

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Information for Specific Makes

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Code P12A1 comments

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