AutoCodes – Mazda – P1925 Mazda

P1925 Mazda Code - Fuel Additive Level Circuit High

Quick Answer

P1925 Mazda indicates Fuel Additive Level Circuit High. Common causes include Faulty Fuel Additive Level, Fuel Additive Level harness is open or shorted, Fuel Additive Level circuit poor electrical connection. 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: P1925 Mazda indicates Fuel Additive Level Circuit High.
Common causes: Common causes include Faulty Fuel Additive Level, Fuel Additive Level harness is open or shorted, Fuel Additive Level circuit poor electrical connection.
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 1,811

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1925 Mazda Description

OBDII Code P1925 Mazda - Fuel Additive Level Circuit High - AutoCodes.com — P1925 Mazda Code - Fuel Additive Level Circuit High

What does this mean?

What are the Possible Causes of the DTC P1925 Mazda?

Faulty Fuel Additive Level
Fuel Additive Level harness is open or shorted
Fuel Additive Level circuit poor electrical connection

How to Fix the DTC P1925 Mazda?

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 P1925 Mazda 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.

Need more information about the P1925 Mazda code?

Need more information on how to fix the P1925 Mazda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1925 Mazda code diagnosed by a professional: Find a repair shop in your area

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.

Frequently Asked Questions about P1925 Mazda Code

1. What are the common symptoms of OBDII code P1925 in a Mazda related to the Fuel Additive Level Circuit High?

- Common symptoms may include the illumination of the Check Engine light on the dashboard, issues with fuel efficiency, and potential difficulties starting the vehicle.

2. What could cause the OBDII code P1925 in a Mazda indicating a Fuel Additive Level Circuit High?

- This code is commonly triggered by a faulty fuel additive level sensor, a wiring issue in the fuel additive system, or a problem with the engine control module (ECM).

3. How can I diagnose the OBDII code P1925 in my Mazda pointing to a Fuel Additive Level Circuit High?

- Diagnosis involves using an OBDII scanner to retrieve the specific fault code, inspecting the fuel additive system components for damage or corrosion, and testing the sensor and related wiring for continuity.

4. Are there any simple checks or repairs I can do myself for the OBDII code P1925 in a Mazda?

- You can visually inspect the fuel additive level sensor and its connections for any obvious issues, such as loose wires or corrosion. However, more in-depth diagnostics may require professional tools and expertise.

5. Can a bad fuel additive level sensor cause other problems in a Mazda besides triggering the P1925 code?

- Yes, a malfunctioning fuel additive level sensor can affect the vehicle's emissions control system, leading to reduced fuel efficiency and potentially causing harm to the catalytic converter over time.

6. How critical is it to address the OBDII code P1925 in a Mazda related to Fuel Additive Level Circuit High promptly?

- While the vehicle may still be operable with this code present, ignoring it can lead to decreased fuel efficiency and potentially more serious issues with the emissions control system over time.

7. Is it safe to continue driving my Mazda with the Check Engine light on due to the P1925 code?

- It is generally safe to drive the vehicle for a short period with the Check Engine light on, but it is recommended to address the underlying issue causing the code as soon as possible to prevent further damage.

8. Can resetting the Check Engine light on my Mazda clear the P1925 code related to Fuel Additive Level Circuit High?

- Resetting the Check Engine light may temporarily turn it off, but if the underlying issue causing the P1925 code is not fixed, the light is likely to come back on after some driving cycles.

9. How much does it typically cost to repair the OBDII code P1925 in a Mazda indicating Fuel Additive Level Circuit High?

- The cost of repair can vary significantly depending on the exact cause of the issue. Simple fixes like sensor replacement may be relatively inexpensive, while more complex wiring or ECM repairs could be more costly.

10. Can a DIY enthusiast without advanced automotive knowledge fix the OBDII code P1925 in a Mazda themselves?

- While some basic checks and sensor replacements may be within reach for DIY enthusiasts, diagnosing and repairing more complex issues related to the Fuel Additive Level Circuit High code may require professional assistance.