AutoCodes – Ford – P120C Ford

P120C Ford Code - Secondary Fuel Injector Bank 2 Insufficient Flow

Quick Answer

The Powertrain Control Module (PCM) monitors the Secondary Fuel Injector Bank 2. Common causes include Faulty Secondary Fuel Injector Bank 2, Secondary Fuel Injector Bank 2 harness is open or shorted, Secondary Fuel Injector Bank 2 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: P120C Ford indicates Secondary Fuel Injector Bank 2 Insufficient Flow .
Common causes: Common causes include Faulty Secondary Fuel Injector Bank 2, Secondary Fuel Injector Bank 2 harness is open or shorted, Secondary Fuel Injector Bank 2 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 1,369

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 P120C Ford Description

The Powertrain Control Module (PCM) monitors the Secondary Fuel Injector Bank 2. The PCM sets the OBDII code when the Secondary Fuel Injector Bank 2 is not to factory specifications.

OBDII Code P120C Ford - Secondary Fuel Injector Bank 2 Insufficient Flow - AutoCodes.com — P120C Ford Code - Secondary Fuel Injector Bank 2 Insufficient Flow

What does this mean?

What are the Possible Causes of the DTC P120C Ford?

Faulty Secondary Fuel Injector Bank 2
Secondary Fuel Injector Bank 2 harness is open or shorted
Secondary Fuel Injector Bank 2 circuit poor electrical connection

How to Fix the DTC P120C 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 P120C 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 P120C Ford code?

Need more information on how to fix the P120C Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P120C 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 P120C Ford Code

1. What are the common symptoms of OBDII code P120C (Ford) for Secondary Fuel Injector Bank 2 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 P120C (Ford) indicating Secondary Fuel Injector Bank 2 Insufficient Flow?

- Causes can include a clogged fuel injector, a faulty fuel injector, fuel delivery issues, or problems with the fuel injector wiring or connectors.

3. How can I diagnose the OBDII code P120C (Ford) related to Secondary Fuel Injector Bank 2 Insufficient Flow?

- Diagnosing this code typically involves inspecting the fuel injector, checking fuel pressure, and testing the fuel injector wiring and connectors for any issues.

4. What are the recommended repair tips for addressing OBDII code P120C (Ford) for Secondary Fuel Injector Bank 2 Insufficient Flow?

- Repair tips may include cleaning or replacing the fuel injector, checking and repairing any damaged wiring or connectors, and ensuring proper fuel delivery to the injector.

5. Can driving with OBDII code P120C (Ford) for Secondary Fuel Injector Bank 2 Insufficient Flow cause further damage to the vehicle?

- Continuing to drive with this code may lead to engine performance issues and potentially damage the catalytic converter over time, so it is advisable to address the underlying problem promptly.

6. How can I prevent OBDII code P120C (Ford) from occurring again after repair?

- Regular maintenance, using quality fuel, and addressing any engine performance issues promptly can help prevent the recurrence of this code in the future.

7. Is it safe to drive my vehicle with the OBDII code P120C (Ford) active?

- It is generally not recommended to drive with this code active, as it can lead to reduced engine performance and potential long-term damage if left unaddressed.

8. How long does it typically take to repair OBDII code P120C (Ford) for Secondary Fuel Injector Bank 2 Insufficient Flow?

- The repair time can vary depending on the exact cause of the issue, but it may take a few hours to a full day to diagnose and address the problem effectively.

9. Are there any recalls or technical service bulletins related to OBDII code P120C (Ford) for Secondary Fuel Injector Bank 2 Insufficient Flow?

- It's recommended to check with Ford dealerships or online databases for any relevant recalls or technical service bulletins related to this specific OBDII code.

10. Can a DIY enthusiast fix OBDII code P120C (Ford) for Secondary Fuel Injector Bank 2 Insufficient Flow at home?

- Depending on their skill level and access to tools, a DIY enthusiast may be able to diagnose and address this code at home, but it's recommended to proceed with caution and proper knowledge.