AutoCodes – Ford – P120A Ford

P120A Ford Code - Secondary Fuel Injector Bank 1 Insufficient Flow

Quick Answer

The Powertrain Control Module (PCM) monitors the Secondary Fuel Injector Bank 1. Common causes include Faulty Secondary Fuel Injector Bank 1, Secondary Fuel Injector Bank 1 harness is open or shorted, Secondary Fuel Injector Bank 1 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: P120A Ford indicates Secondary Fuel Injector Bank 1 Insufficient Flow .
Common causes: Common causes include Faulty Secondary Fuel Injector Bank 1, Secondary Fuel Injector Bank 1 harness is open or shorted, Secondary Fuel Injector Bank 1 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 1,951

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 02, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P120A Ford Description

The Powertrain Control Module (PCM) monitors the Secondary Fuel Injector Bank 1. The PCM sets the OBDII code when the Secondary Fuel Injector Bank 1 is not to factory specifications.

OBDII Code P120A Ford - Secondary Fuel Injector Bank 1 Insufficient Flow - AutoCodes.com — P120A Ford Code - Secondary Fuel Injector Bank 1 Insufficient Flow

What does this mean?

What are the Possible Causes of the DTC P120A Ford?

Faulty Secondary Fuel Injector Bank 1
Secondary Fuel Injector Bank 1 harness is open or shorted
Secondary Fuel Injector Bank 1 circuit poor electrical connection

How to Fix the DTC P120A 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 P120A 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 P120A Ford code?

Need more information on how to fix the P120A Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P120A 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 P120A Ford Code

1. What are the common symptoms of OBDII code P120A in a Ford related to Secondary Fuel Injector Bank 1 Insufficient Flow?

- Common symptoms include rough idling, decreased engine performance, misfires, and potentially a check engine light.

2. What are the possible causes of OBDII code P120A Ford Secondary Fuel Injector Bank 1 Insufficient Flow?

- Possible causes could include a clogged fuel injector, a faulty fuel injector, a fuel supply issue, or a problem with the fuel system components.

3. How can I diagnose the cause of OBDII code P120A in a Ford related to Secondary Fuel Injector Bank 1 Insufficient Flow?

- Diagnosis typically involves checking the fuel injector, fuel pressure, fuel lines, and related components for any issues or blockages using diagnostic tools.

4. What are some repair tips for addressing OBDII code P120A in a Ford for Secondary Fuel Injector Bank 1 Insufficient Flow?

- Repair tips may include cleaning or replacing the fuel injector, checking and replacing fuel filters, inspecting fuel lines for leaks, and ensuring proper fuel pressure.

5. Can driving with OBDII code P120A in a Ford for Secondary Fuel Injector Bank 1 Insufficient Flow cause further damage?

- Continuing to drive with this issue can potentially cause damage to the engine, decrease fuel efficiency, and lead to more serious problems over time.

6. How urgent is it to address OBDII code P120A in a Ford related to Secondary Fuel Injector Bank 1 Insufficient Flow?

- It is recommended to address this issue promptly to prevent further damage to the engine and ensure optimal performance and fuel efficiency.

7. Is it possible to clear the OBDII code P120A in a Ford for Secondary Fuel Injector Bank 1 Insufficient Flow without making repairs?

- Clearing the code without addressing the underlying issue may temporarily turn off the check engine light, but the problem will likely persist and trigger the code again.

8. Are there any recalls or technical service bulletins related to OBDII code P120A Ford for Secondary Fuel Injector Bank 1 Insufficient Flow?

- It's advisable to check with Ford dealerships or online resources to see if there are any recalls or technical service bulletins related to this specific OBDII code.

9. Can a DIY enthusiast repair OBDII code P120A in a Ford related to Secondary Fuel Injector Bank 1 Insufficient Flow?

- Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to address this issue by following repair guides or consulting with professionals.

10. How much does it typically cost to repair OBDII code P120A in a Ford for Secondary Fuel Injector Bank 1 Insufficient Flow?

- Repair costs can vary depending on the specific cause of the issue, but it may involve expenses for parts, labor, and diagnostic services, ranging from a few hundred to over a thousand dollars.