AutoCodes – Acura – P0627 Acura

P0627 Acura Code - Fuel Pump Control System Malfunction

Quick Answer

The Engine Control Module (ECM) monitors the Fuel Pump Control Circuit. Common causes include Faulty fuel pump relay, Faulty fuel pump, Fuel pump harness is open or shorted. 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: P0627 Acura indicates Fuel Pump Control System Malfunction.
Common causes: Common causes include Faulty fuel pump relay, Faulty fuel pump, Fuel pump harness is open or shorted.
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 14,688

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 May 01, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0627 Acura Description

The Engine Control Module (ECM) monitors the Fuel Pump Control Circuit. The ECM sets the OBDII code when the Fuel Pump Control Circuit is out of factory specifications.

OBDII Code P0627 Acura - Fuel Pump Control System Malfunction - AutoCodes.com — P0627 Acura Code - Fuel Pump Control System Malfunction

What does this mean?

What are the Possible Causes of the DTC P0627 Acura?

Faulty fuel pump relay
Faulty fuel pump
Fuel pump harness is open or shorted
Fuel pump circuit poor electrical connection
Faulty fuel pump control module (if applicable)

How to Fix the DTC P0627 Acura?

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 P0627 Acura 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 P0627 Acura code?

Need more information on how to fix the P0627 Acura code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0627 Acura 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 P0627 Acura Code

1. What does the OBDII code P0627 mean on an Acura?

P0627 indicates a malfunction in the Fuel Pump Control System, suggesting that the vehicle's engine control module (ECM) has detected an issue with the fuel pump circuit or its operation.

2. What are the common symptoms of code P0627 in an Acura?

Symptoms may include difficulty starting the engine, engine stalling, poor acceleration, reduced fuel efficiency, or the check engine light illuminating.

3. What causes the P0627 code to appear in an Acura?

Common causes include a faulty fuel pump, damaged or corroded wiring in the fuel pump circuit, a malfunctioning fuel pump relay, or a problem with the engine control module (ECM).

4. Can I drive my Acura with the P0627 code?

Driving with this code is not recommended, as it can lead to engine stalling or failure to start, which could leave you stranded or create unsafe driving conditions.

5. How is the P0627 code diagnosed on an Acura?

A mechanic will use a scan tool to confirm the code, inspect the wiring and connectors in the fuel pump circuit, test the fuel pump relay, and verify the fuel pump's operation and electrical signals.

6. How do I fix the P0627 code on my Acura?

Repairs may include replacing a faulty fuel pump, repairing or replacing damaged wiring, replacing the fuel pump relay, or reprogramming or replacing the ECM if necessary.

7. How much does it cost to fix an Acura with a P0627 code?

The cost depends on the underlying issue. Replacing a fuel pump can range from $300 to $1,000, while repairing wiring or the fuel pump relay may cost less. ECM replacement is typically more expensive.

8. Can a weak battery cause the P0627 code in an Acura?

Yes, a weak or failing battery can sometimes contribute to electrical issues, including problems with the fuel pump control system.

9. How can I prevent the P0627 code from occurring again?

Regular vehicle maintenance, such as inspecting electrical connectors and replacing worn components, can help prevent this code. Avoid running the fuel tank too low, as this can strain the fuel pump.

10. Is the P0627 code specific to Acura vehicles?

No, the P0627 code is a generic OBDII code that can appear in various makes and models, but the specific diagnosis and repair steps may vary depending on the vehicle.