AutoCodes – Generic – P1927

P1927 Code - Fuel Additive Level Too Low/Empty

Quick Answer

P1927 indicates Fuel Additive Level Too Low/Empty. 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: P1927 indicates Fuel Additive Level Too Low/Empty.
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 12,459

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 P1927 Description

OBDII Code P1927 - Fuel Additive Level Too Low/Empty - AutoCodes.com — P1927 Code - Fuel Additive Level Too Low/Empty

What does this mean?

What are the Possible Causes of the DTC P1927?

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

How to Fix the DTC P1927?

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 P1927 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 P1927 code?

Need more information on how to fix the P1927 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1927 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P1927 Ford — Fuel Additive Level Too Low/Empty
P1927 Lincoln — Fuel Additive Level Too Low/Empty
P1927 Mercury — Fuel Additive Level Too Low/Empty

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 P1927 Code

1. What are the common symptoms of OBDII code P1927 (Fuel Additive Level Too Low/Empty)?

- Common symptoms include the illumination of the Check Engine Light on the dashboard, decreased fuel efficiency, and potential issues with the vehicle's emission system.

2. What can cause the OBDII code P1927 to be triggered?

- The code P1927 is typically triggered when the fuel additive level in the vehicle's system is too low or empty, indicating a potential issue with the fuel additive tank or system.

3. How can I diagnose the cause of OBDII code P1927?

- To diagnose the cause of code P1927, you can use an OBDII scanner to retrieve the specific fault code and check the fuel additive tank level sensor for any malfunctions or wiring issues.

4. Can I continue driving with OBDII code P1927 active?

- It's generally recommended to address the underlying issue causing code P1927 as soon as possible to prevent potential damage to the vehicle's emission system and ensure optimal performance.

5. What is the repair process for OBDII code P1927?

- The repair process for code P1927 involves refilling the fuel additive tank with the appropriate additive, checking for any leaks or malfunctions in the system, and resetting the fault code with an OBDII scanner.

6. Are there any DIY tips for fixing OBDII code P1927?

- DIY tips for fixing code P1927 include checking the fuel additive tank level manually, inspecting for any visible leaks or damages, and ensuring proper connection of the tank level sensor.

7. How much does it cost to repair OBDII code P1927 at a mechanic?

- The cost of repairing code P1927 at a mechanic can vary depending on the specific cause of the issue, but it may range from $100 to $300, including parts and labor.

8. Will OBDII code P1927 cause my vehicle to fail an emissions test?

- Yes, code P1927 can cause your vehicle to fail an emissions test since it indicates a problem with the fuel additive system, which is crucial for reducing emissions.

9. Is it safe to ignore OBDII code P1927 and continue driving?

- Ignoring code P1927 can lead to decreased fuel efficiency, potential damage to the vehicle's emission system, and may cause the Check Engine Light to remain illuminated, so it's not recommended to ignore it.

10. How often should I check the fuel additive level in my vehicle to prevent OBDII code P1927?

- It's recommended to check the fuel additive level during regular maintenance intervals or whenever you notice a decrease in fuel efficiency to prevent triggering code P1927.