Engine-CodesAcura – P1514 Acura

P1514 Acura Code - Throttle Position Sensor / Mass Air Flow Sensor Signal Variation

Quick Answer

The P1514 code in Acura vehicles indicates an issue with the Throttle Position Sensor (TPS) or Mass Air Flow (MAF) Sensor's signal variation. Common causes include Faulty Throttle Position Sensor (TPS), Malfunctioning Mass Air Flow (MAF) Sensor, Wiring or connector issues. 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
P1514 Acura indicates Throttle Position Sensor / Mass Air Flow Sensor Signal Variation.
Common causes
Common causes include Faulty Throttle Position Sensor (TPS), Malfunctioning Mass Air Flow (MAF) Sensor, Wiring or connector issues.
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 10, 2024
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Code P1514 Acura Description

The P1514 code in Acura vehicles indicates an issue with the Throttle Position Sensor (TPS) or Mass Air Flow (MAF) Sensor's signal variation. The TPS is responsible for monitoring the throttle position in the engine, while the MAF sensor measures the amount of air entering the engine. Both sensors play crucial roles in the engine's performance by providing the necessary data for the engine control unit (ECU) to adjust the air-fuel mixture and optimize combustion.

OBDII Code P1514 Acura - Throttle Position Sensor / Mass Air Flow Sensor Signal Variation
P1514 Acura Code - Throttle Position Sensor / Mass Air Flow Sensor Signal Variation

Common Causes of P1514 Acura

  1. Faulty Throttle Position Sensor (TPS)
  2. Malfunctioning Mass Air Flow (MAF) Sensor
  3. Wiring or connector issues
  4. Vacuum leaks
  5. Dirty air filter

Symptoms of P1514 Acura

  1. Rough idling or engine stalling
  2. Hesitation or jerking during acceleration
  3. Decreased fuel efficiency
  4. Engine misfires
  5. Illuminated check engine light

How to Fix P1514 Acura

  1. Begin by using an OBD-II scanner to retrieve the code and confirm the issue.
  2. Inspect the Throttle Position Sensor (TPS) and Mass Air Flow (MAF) Sensor for any signs of damage or wear.
  3. Check the wiring and connectors associated with the sensors for any loose connections or corrosion.
  4. Perform a vacuum leak test to identify and repair any leaks.
  5. If necessary, replace the faulty sensor(s) and reset the ECU to clear the code.

Cost to Fix P1514 Acura

The cost of repairing a P1514 code in an Acura vehicle can vary depending on the specific cause and the parts needed. In general, the replacement of a Throttle Position Sensor (TPS) or Mass Air Flow (MAF) Sensor can range from $100 to $300 each, excluding labor costs. The total repair cost, including parts and labor, can be estimated to be between $200 and $600. However, it is advisable to consult with a certified mechanic or auto repair shop to get a more accurate quote based on the specific vehicle model and location. Labor rates typically range from $80 to $150 per hour, but may vary based on the service provider.

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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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