Engine-CodesGeneric – P012E

P012E Code - Turbocharger/Supercharger Inlet Pressure Sensor Circuit Intermittent/Erratic Downstream Of Throttle Valve

Quick Answer

The P012E diagnostic trouble code (DTC) refers to an issue with the Turbocharger/Supercharger Inlet Pressure Sensor Circuit downstream of the throttle valve. Common causes include Faulty Turbocharger/Supercharger Inlet Pressure Sensor, Damaged wiring or connectors, Clogged air filter. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P012E indicates Turbocharger/Supercharger Inlet Pressure Sensor Circuit Intermittent/Erratic Downstream Of Throttle Valve.
Common causes
Common causes include Faulty Turbocharger/Supercharger Inlet Pressure Sensor, Damaged wiring or connectors, Clogged air filter.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P012E Description

The P012E diagnostic trouble code (DTC) refers to an issue with the Turbocharger/Supercharger Inlet Pressure Sensor Circuit downstream of the throttle valve. This code indicates that there is an intermittent or erratic signal coming from the sensor, which can affect the performance of the turbocharger or supercharger system in the vehicle. The sensor is responsible for measuring the pressure of the air entering the turbocharger or supercharger, which is crucial for optimizing engine performance and fuel efficiency.

OBDII Code P012E - Turbocharger/Supercharger Inlet Pressure Sensor Circuit Intermittent/Erratic Downstream Of Throttle Valve
P012E Code - Turbocharger/Supercharger Inlet Pressure Sensor Circuit Intermittent/Erratic Downstream Of Throttle Valve

Common Causes of P012E

  1. Faulty Turbocharger/Supercharger Inlet Pressure Sensor
  2. Damaged wiring or connectors
  3. Clogged air filter
  4. Issues with the turbocharger or supercharger system
  5. Electronic control module (ECM) malfunction

Symptoms of P012E

  1. Reduced engine power
  2. Poor acceleration
  3. Decreased fuel efficiency
  4. Engine misfires
  5. Check Engine Light illuminated

How to Fix P012E

  1. Diagnose the issue using a scan tool to confirm the P012E code and identify the specific cause.
  2. Inspect the Turbocharger/Supercharger Inlet Pressure Sensor for any signs of damage or wear.
  3. Check the wiring and connectors for any breaks, frays, or corrosion, and repair or replace as needed.
  4. Clean or replace the air filter to ensure proper airflow to the turbocharger or supercharger.
  5. If necessary, inspect the turbocharger or supercharger system for any issues such as leaks or damage, and repair or replace as needed.

Cost to Fix P012E

The typical repair costs for addressing a P012E code can vary depending on the specific cause of the issue and the extent of the repairs needed. Generally, the cost can range from $200 to $500 for parts and labor. It's important to keep in mind that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to check with local shops for a more accurate estimate based on your vehicle make and model.

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Code P012E Information for Specific Makes

  • P012E Ford — Turbocharger/Supercharger Inlet Pressure Sensor Circuit Intermittent/Erratic Downstream Of Throttle Valve
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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