Engine-Codes.com
Engine-Codes – Infiniti – P1122 2004 Infiniti G35

P1122 2004 Infiniti G35 Code - Electric Throttle Control Performance Problem

Quick Answer

The P1122 diagnostic trouble code for a 2004 Infiniti G35 indicates an Electric Throttle Control Performance Problem. Common causes include Faulty throttle position sensor, Malfunctioning throttle body, Wiring issues or loose connections in the electric throttle control system. 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
P1122 2004 Infiniti G35 indicates Electric Throttle Control Performance Problem.
Common causes
Common causes include Faulty throttle position sensor, Malfunctioning throttle body, Wiring issues or loose connections in the electric throttle control system.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1122 2004 Infiniti G35 Description

The P1122 diagnostic trouble code for a 2004 Infiniti G35 indicates an Electric Throttle Control Performance Problem. The electric throttle control system in a vehicle is responsible for regulating the amount of air entering the engine, which in turn affects fuel delivery and overall engine performance. When this system malfunctions, it can lead to various issues with the vehicle's performance.

OBDII Code P1122 2004 Infiniti G35 - Electric Throttle Control Performance Problem
P1122 2004 Infiniti G35 Code - Electric Throttle Control Performance Problem

Common Causes of P1122 2004 Infiniti G35

  1. Faulty throttle position sensor.
  2. Malfunctioning throttle body.
  3. Wiring issues or loose connections in the electric throttle control system.
  4. Problems with the engine control module (ECM).
  5. Carbon build-up in the throttle body affecting its performance.

Symptoms of P1122 2004 Infiniti G35

  1. Poor acceleration or lack of response when pressing the accelerator pedal.
  2. Rough idling or stalling when at a stop.
  3. Engine misfires or hesitation during acceleration.
  4. Illumination of the Check Engine Light on the dashboard.
  5. Reduced fuel efficiency.

How to Fix P1122 2004 Infiniti G35

  1. Start by performing a thorough inspection of the electric throttle control system, including the throttle position sensor, throttle body, and wiring connections.
  2. Test the throttle position sensor using a multimeter to ensure it is functioning within the manufacturer's specifications.
  3. Clean the throttle body to remove any carbon build-up that may be affecting its performance.
  4. If necessary, replace the throttle position sensor, throttle body, or any damaged wiring in the system.
  5. Clear the diagnostic trouble codes from the vehicle's ECM and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1122 2004 Infiniti G35

The typical repair costs for addressing a P1122 code on a 2004 Infiniti G35 can range from $200 to $600, depending on the specific cause of the issue and the parts needed for repair. This estimate includes the cost of parts such as a throttle position sensor or throttle body, as well as labor charges. It's important to note that labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate cost estimate based on your location and vehicle specifics.

What does this mean?

Tech Notes for P1122 2004 Infiniti G35

Start by performing the "Idle Air Volume Learning Procedure", if the problem persists the Electric Throttle Control Actuator may need to be replaced.

When is the Code Detected?

Electric throttle control function does not operate properly.

Need more information about the P1122 2004 Infiniti G35 code?

Need more information on how to fix the P1122 2004 Infiniti G35 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1122 2004 Infiniti G35 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 P1122 2004 Infiniti G35 Code

1. What does OBDII code P1122 mean for a 2004 Infiniti G35?

P1122 indicates an issue with the electric throttle control system, specifically a performance problem in the throttle’s operation or response.

2. What are common symptoms of code P1122 in a 2004 Infiniti G35?

Symptoms may include poor acceleration, reduced engine power, the throttle not responding properly, and the check engine light being illuminated.

3. What causes code P1122 to appear in a 2004 Infiniti G35?

Common causes include a faulty throttle body, a malfunctioning throttle position sensor (TPS), wiring issues, or problems with the electronic control module (ECM).

4. Can a dirty throttle body trigger code P1122 on a 2004 Infiniti G35?

Yes, a dirty or clogged throttle body can affect the throttle’s performance and potentially cause the P1122 code.

5. Is it safe to drive a 2004 Infiniti G35 with code P1122?

It’s not recommended, as the issue could lead to poor throttle response or engine performance, which might be dangerous in certain driving conditions.

6. How do you fix code P1122 on a 2004 Infiniti G35?

Repairs may include cleaning or replacing the throttle body, checking and repairing wiring or connectors, replacing the throttle position sensor, or reprogramming the ECM.

7. Can a damaged throttle position sensor cause P1122?

Yes, a faulty or out-of-spec throttle position sensor can cause the ECM to detect an electric throttle control performance problem, triggering the P1122 code.

8. How much does it cost to fix code P1122 on a 2004 Infiniti G35?

Repair costs vary but may range from $100 to $500 depending on whether cleaning, sensor replacement, or throttle body replacement is required.

9. Can I clear code P1122 without fixing the issue on a 2004 Infiniti G35?

Clearing the code without addressing the root cause will likely result in the code returning and may worsen the problem over time.

10. How do I diagnose code P1122 on a 2004 Infiniti G35?

Use an OBDII scanner to confirm the code, inspect the throttle body and wiring, test the throttle position sensor, and check for ECM-related issues.

Discuss the causes and fixes for P1122 2004 Infiniti G35 OBDII Code

Submit a New Comment

Code P1122 2004 Infiniti G35 comments

No comments found for this page.