AutoCodes – Lexus – P117B Lexus

P117B Lexus Code - Direct Injector Fuel Performance

Quick Answer

The Engine Control Module (ECM) monitors the Injector for direct injector. Common causes include Faulty Injector for direct injector, Injector for direct injector harness is open or shorted, Injector for direct injector 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: P117B Lexus indicates Direct Injector Fuel Performance.
Common causes: Common causes include Faulty Injector for direct injector, Injector for direct injector harness is open or shorted, Injector for direct injector 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 12,183

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 Jul 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P117B Lexus Description

The Engine Control Module (ECM) monitors the Injector for direct injector. The ECM sets the OBDII code when the Injector for direct injector is not to factory specifications.

OBDII Code P117B Lexus - Direct Injector Fuel Performance - AutoCodes.com — P117B Lexus Code - Direct Injector Fuel Performance

What does this mean?

What are the Possible Causes of the DTC P117B Lexus?

Faulty Injector for direct injector
Injector for direct injector harness is open or shorted
Injector for direct injector circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P117B Lexus?

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 P117B Lexus 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 P117B Lexus code?

Need more information on how to fix the P117B Lexus code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P117B Lexus 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 P117B Lexus Code

1. What are common symptoms of OBDII code P117B in a Lexus related to direct injector fuel performance?

Symptoms may include a rough idle, loss of power, poor fuel economy, and potentially an illuminated check engine light.

2. What are some possible causes of OBDII code P117B in a Lexus?

Potential causes may include a faulty direct injector, clogged fuel injector, fuel pressure issues, vacuum leaks, or a problem with the engine control module.

3. How can I diagnose the root cause of OBDII code P117B in my Lexus?

Diagnosis typically involves performing a fuel injector test, checking fuel pressure, inspecting for vacuum leaks, and scanning for any other related trouble codes.

4. Is it safe to continue driving with OBDII code P117B in my Lexus?

It is not recommended to continue driving with this code, as it can lead to poor engine performance and potentially cause further damage to the vehicle.

5. How can I repair OBDII code P117B in my Lexus related to direct injector fuel performance?

Repair options may include cleaning or replacing the direct injector, addressing fuel pressure issues, fixing vacuum leaks, or reprogramming the engine control module.

6. Can a DIY enthusiast fix OBDII code P117B in a Lexus at home?

Depending on the root cause, some DIY enthusiasts may be able to address the issue at home by following repair guides and using appropriate tools.

7. Will resetting the check engine light resolve OBDII code P117B in a Lexus?

Simply resetting the check engine light without addressing the underlying issue will not fix the problem. The root cause should be diagnosed and repaired.

8. How much does it cost to repair OBDII code P117B in a Lexus at a dealership or repair shop?

The cost of repair can vary based on the specific issue, parts needed, labor rates, and location. It is advisable to obtain quotes from different establishments.

9. Are there any preventive maintenance tips to avoid OBDII code P117B in a Lexus?

Regularly servicing the fuel system, using high-quality fuel, keeping up with engine maintenance, and addressing issues promptly can help prevent this code.

10. Can a Lexus dealership or mechanic perform a relearn procedure after repairing OBDII code P117B?

Yes, after repairing the issue related to direct injector fuel performance, a relearn procedure may be required to ensure optimal performance and efficiency.