AutoCodes – Toyota – P1170 Toyota

P1170 Toyota Code - Port Injector Fuel Performance

Quick Answer

P1170 Toyota indicates Port Injector Fuel Performance. Common causes include Faulty Port Injector Fuel, Port Injector Fuel harness is open or shorted, Port Injector Fuel 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: P1170 Toyota indicates Port Injector Fuel Performance.
Common causes: Common causes include Faulty Port Injector Fuel, Port Injector Fuel harness is open or shorted, Port Injector Fuel 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 28,717

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 11, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1170 Toyota Description

OBDII Code P1170 Toyota - Port Injector Fuel Performance - AutoCodes.com — P1170 Toyota Code - Port Injector Fuel Performance

What does this mean?

What are the Possible Causes of the DTC P1170 Toyota?

Faulty Port Injector Fuel
Port Injector Fuel harness is open or shorted
Port Injector Fuel circuit poor electrical connection

How to Fix the DTC P1170 Toyota?

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 P1170 Toyota 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 P1170 Toyota code?

Need more information on how to fix the P1170 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1170 Toyota 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 P1170 Toyota Code

1. What are the common symptoms of OBDII code P1170 in a Toyota related to Port Injector Fuel Performance?

- Common symptoms include rough idling, engine misfires, decreased fuel efficiency, and a noticeable decrease in overall engine performance.

2. What are some possible causes of OBDII code P1170 in a Toyota?

- Possible causes include a faulty fuel injector, clogged fuel injector, issues with the fuel pressure regulator, vacuum leaks, or a problem with the engine control module (ECM).

3. How can I diagnose the root cause of OBDII code P1170 in my Toyota?

- To diagnose this issue, you may need to perform a thorough inspection of the fuel injectors, check for vacuum leaks, test the fuel pressure regulator, and scan the ECM for any other related error codes.

4. Can a DIYer repair OBDII code P1170 in a Toyota related to Port Injector Fuel Performance?

- While some simple fixes like cleaning or replacing a clogged fuel injector can be done by DIYers, diagnosing and repairing more complex issues may require professional assistance.

5. Is it safe to continue driving my Toyota with OBDII code P1170 triggered?

- It is not recommended to drive your vehicle with OBDII code P1170 triggered, as it can lead to further engine damage and potentially unsafe driving conditions.

6. How much does it typically cost to repair OBDII code P1170 in a Toyota?

- The cost of repairing OBDII code P1170 can vary depending on the underlying issue, but it may range from $100 for a simple fix like cleaning a fuel injector to several hundred dollars for more complex repairs.

7. Can a faulty oxygen sensor trigger OBDII code P1170 in a Toyota?

- Yes, a faulty oxygen sensor can sometimes lead to an incorrect air-fuel mixture, which may trigger OBDII code P1170 related to Port Injector Fuel Performance.

8. Will resetting the ECM clear OBDII code P1170 in my Toyota?

- Resetting the ECM may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear once the problem resurfaces.

9. How important is it to address OBDII code P1170 promptly in a Toyota?

- It is crucial to address OBDII code P1170 promptly to prevent further damage to the engine, ensure optimal fuel efficiency, and maintain overall vehicle performance.

10. Can using low-quality fuel contribute to triggering OBDII code P1170 in a Toyota?

- Yes, using low-quality fuel can sometimes lead to injector clogging or poor fuel performance, which may contribute to triggering OBDII code P1170 in a Toyota.