AutoCodes – Generic – P20F7

P20F7 Code - Reductant Injection Valve Stuck Open Bank 2 Unit 1

Quick Answer

P20F7 indicates Reductant Injection Valve Stuck Open Bank 2 Unit 1. Common causes include Faulty Reductant Injection Valve, Reductant Injection Valve harness is open or shorted, Reductant Injection Valve 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
P20F7 indicates Reductant Injection Valve Stuck Open Bank 2 Unit 1.
Common causes
Common causes include Faulty Reductant Injection Valve, Reductant Injection Valve harness is open or shorted, Reductant Injection Valve 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 3,206
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P20F7 Description

OBDII Code P20F7 - Reductant Injection Valve Stuck Open Bank 2 Unit 1 - AutoCodes.com
P20F7 Code - Reductant Injection Valve Stuck Open Bank 2 Unit 1

What are the Possible Causes of the DTC P20F7?

  • Faulty Reductant Injection Valve
  • Reductant Injection Valve harness is open or shorted
  • Reductant Injection Valve circuit poor electrical connection

How to Fix the DTC P20F7?

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 P20F7 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 P20F7 code?

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Need Help with the Code?

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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 P20F7 Code

1. What are the common symptoms of OBDII code P20F7 (Reductant Injection Valve Stuck Open Bank 2 Unit 1)?

The common symptoms include poor engine performance, decreased fuel efficiency, and the illumination of the check engine light.

2. What can cause the reductant injection valve to get stuck open and trigger code P20F7?

Possible causes include a faulty reductant injection valve, wiring issues, software glitches, or contamination in the reductant system.

3. How can I diagnose OBDII code P20F7 related to the Reductant Injection Valve Stuck Open Bank 2 Unit 1?

Diagnosis involves using an OBDII scanner to read the code, checking the reductant injection valve and associated wiring for any visible issues, and performing a system reset if needed.

4. Can driving with OBDII code P20F7 (Reductant Injection Valve Stuck Open Bank 2 Unit 1) cause further damage to the vehicle?

Continued driving with this issue can potentially lead to damage to other components in the reductant system and may result in increased emissions.

5. How can I repair OBDII code P20F7 indicating a Reductant Injection Valve Stuck Open Bank 2 Unit 1?

Repair typically involves replacing the affected reductant injection valve, addressing any wiring issues, clearing the code, and performing a test drive to ensure the problem is resolved.

6. Is it safe to continue driving my vehicle with OBDII code P20F7 (Reductant Injection Valve Stuck Open Bank 2 Unit 1) if there are no noticeable symptoms?

It is not recommended to drive the vehicle with this code present, as it can potentially lead to increased emissions and may cause further damage to the reductant system.

7. Can a DIY enthusiast fix OBDII code P20F7 (Reductant Injection Valve Stuck Open Bank 2 Unit 1) at home?

While some may attempt to fix this issue at home, it is recommended to seek professional help to accurately diagnose and repair the problem to prevent any further issues.

8. How long does it typically take to repair OBDII code P20F7 (Reductant Injection Valve Stuck Open Bank 2 Unit 1)?

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 complete the diagnosis and repair process.

9. Are there any preventive measures to avoid OBDII code P20F7 (Reductant Injection Valve Stuck Open Bank 2 Unit 1) in the future?

Regular maintenance of the reductant system, such as checking for leaks, ensuring proper fluid levels, and following the manufacturer's recommended service intervals, can help prevent this issue from occurring.

Discuss the causes and fixes for P20F7 OBDII Code

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