AutoCodes – Ford – P0628 Ford

P0628 Ford Code - Fuel Pump 'A' Control Circuit Low

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: P0628 Ford indicates Fuel Pump 'A' Control Circuit Low.
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 7,797

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 P0628 Ford 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 P0628 Ford - Fuel Pump 'A' Control Circuit Low - AutoCodes.com — P0628 Ford Code - Fuel Pump 'A' Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0628 Ford?

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 P0628 Ford?

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 P0628 Ford 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 P0628 Ford code?

Need more information on how to fix the P0628 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0628 Ford 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 P0628 Ford Code

1. What are common symptoms of OBDII code P0628 in a Ford related to the Fuel Pump 'A' Control Circuit Low?

Symptoms may include difficulty starting the vehicle, engine stalling, and issues with acceleration.

2. What are the possible causes of OBDII code P0628 in a Ford indicating a Fuel Pump 'A' Control Circuit Low?

Potential causes include a faulty fuel pump driver module, damaged wiring or connectors, or a malfunctioning fuel pump.

3. How can I diagnose OBDII code P0628 in a Ford for the Fuel Pump 'A' Control Circuit Low issue?

Diagnosis typically involves using an OBDII scanner to retrieve the code, checking the fuel pump driver module and related components for damage, and testing the fuel pump's operation.

4. Can a DIY enthusiast repair OBDII code P0628 in a Ford associated with the Fuel Pump 'A' Control Circuit Low problem?

While some basic troubleshooting steps can be performed by DIY enthusiasts, diagnosing and repairing this issue may require specialized tools and expertise. It is recommended to consult a professional mechanic.

5. Is it safe to continue driving with OBDII code P0628 in a Ford signaling a Fuel Pump 'A' Control Circuit Low issue?

Continuing to drive with this issue can lead to further damage to the fuel system and potential safety hazards. It is advised to address the problem promptly.

6. How much does it typically cost to repair OBDII code P0628 in a Ford linked to the Fuel Pump 'A' Control Circuit Low fault?

Repair costs can vary depending on the extent of the issue, the need for parts replacement, and labor charges. It is advisable to obtain quotes from different repair shops.

7. Are there any preventive measures to avoid OBDII code P0628 in a Ford related to the Fuel Pump 'A' Control Circuit Low issue?

Regular maintenance, such as checking fuel system components for wear and tear, can help prevent issues like P0628 from occurring. It is also recommended to address any warning signs promptly.

8. Can extreme weather conditions contribute to triggering OBDII code P0628 in a Ford associated with the Fuel Pump 'A' Control Circuit Low issue?

Extreme temperatures or weather conditions can potentially affect the performance of the fuel pump and associated components, leading to issues like P0628. Ensuring proper insulation and protection can help mitigate such risks.

9. Can a weak battery or alternator cause OBDII code P0628 in a Ford indicating a Fuel Pump 'A' Control Circuit Low problem?

A weak battery or alternator can impact the electrical system, including the fuel pump control circuit, potentially leading to issues like P0628. It is recommended to ensure the battery and charging system are in good condition.

10. How long does it typically take to repair OBDII code P0628 in a Ford related to the Fuel Pump 'A' Control Circuit Low concern?

The repair time can vary depending on the exact cause of the issue, availability of parts, and the expertise of the mechanic. In general, it may take a few hours to a day to diagnose and fix the problem.