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P115E Mercury Code - Throttle Actuator Control Throttle Body Air Flow Trim At Max Limit

Quick Answer

The diagnostic trouble code P115E for Mercury vehicles indicates an issue with the Throttle Actuator Control Throttle Body Air Flow Trim being at its maximum limit. Common causes include Dirty or clogged throttle body, Faulty throttle actuator control module, Vacuum leaks in the intake system. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P115E Mercury indicates Throttle Actuator Control Throttle Body Air Flow Trim At Max Limit.
Common causes
Common causes include Dirty or clogged throttle body, Faulty throttle actuator control module, Vacuum leaks in the intake system.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P115E Mercury Description

The diagnostic trouble code P115E for Mercury vehicles indicates an issue with the Throttle Actuator Control Throttle Body Air Flow Trim being at its maximum limit. This code is typically triggered when the Engine Control Module (ECM) detects that the throttle body is not able to adjust the air flow properly, leading to an imbalance in the air-fuel mixture. This can result in poor engine performance, reduced fuel efficiency, and potential drivability issues.

OBDII Code P115E Mercury - Throttle Actuator Control Throttle Body Air Flow Trim At Max Limit
P115E Mercury Code - Throttle Actuator Control Throttle Body Air Flow Trim At Max Limit

Common Causes of P115E Mercury

  1. Dirty or clogged throttle body
  2. Faulty throttle actuator control module
  3. Vacuum leaks in the intake system
  4. Wiring or electrical issues
  5. ECM software or calibration errors

Symptoms of P115E Mercury

  1. Rough idling or unstable engine idle
  2. Engine stalling or hesitation during acceleration
  3. Reduced fuel efficiency
  4. Check Engine Light illuminated
  5. Engine misfires or lack of power

How to Fix P115E Mercury

  1. Begin by performing a visual inspection of the throttle body and intake system to check for any signs of dirt, debris, or obstructions. Clean the throttle body if necessary.
  2. Use a diagnostic scanner to retrieve the trouble codes and data from the ECM to further pinpoint the exact cause of the issue.
  3. Inspect and test the throttle actuator control module for proper operation. Replace if necessary.
  4. Check for vacuum leaks in the intake system and repair or replace any damaged hoses or connections.
  5. Test the wiring and electrical connections related to the throttle body and throttle actuator control system for any faults or loose connections. Repair or replace components as needed.

Cost to Fix P115E Mercury

The cost of repairing a Throttle Actuator Control Throttle Body Air Flow Trim issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, the cost of parts for this repair can range from $100 to $500, with labor costs typically adding another $100 to $300. Overall, you can expect to pay anywhere from $200 to $800 for this repair. Keep in mind that prices may vary based on the make and model of your Mercury vehicle, as well as the location and shop rates. It is recommended to get a few quotes from different auto repair shops to ensure you are getting a fair price for the repair.

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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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