AutoCodes – Honda – P1514 Honda

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

Quick Answer

P1514 Honda indicates Throttle Position Sensor / Mass Air Flow Sensor Signal Variation. Common causes include Vacuum leak on engine, Faulty Mass Air Flow (MAF) Sensor, Faulty Throttle Position Sensor (TPS). 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 Honda indicates Throttle Position Sensor / Mass Air Flow Sensor Signal Variation.
Common causes: Common causes include Vacuum leak on engine, Faulty Mass Air Flow (MAF) Sensor, Faulty Throttle Position Sensor (TPS).
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.

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Code Popularity 2,354

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1514 Honda Description

OBDII Code P1514 Honda - Throttle Position Sensor / Mass Air Flow Sensor Signal Variation - AutoCodes.com — P1514 Honda Code - Throttle Position Sensor / Mass Air Flow Sensor Signal Variation

What does this mean?

What are the Possible Causes of the DTC P1514 Honda?

Vacuum leak on engine
Faulty Mass Air Flow (MAF) Sensor
Faulty Throttle Position Sensor (TPS)

How to Fix the DTC P1514 Honda?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1514 Honda code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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.