Engine-Codes - Generic - P12A2

P12A2 - Fuel Rail Pressure Sensor Inappropriately High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P12A2 Possible Causes

  • Faulty Fuel Rail Pressure Sensor
  • Fuel Rail Pressure Sensor harness is open or shorted
  • Fuel Rail Pressure Sensor circuit poor electrical connection

How is the P12A2 code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P12A2 code

Labor: 1.0

The cost to diagnose the P12A2 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P12A2 Meaning

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.

More Information

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Information for specific makes

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