AutoCodes – Honda – P1122 1998 Honda Civic

P1122 1998 Honda Civic Code - Throttle Position Sensor Signal Higher Than Expected

Quick Answer

P1122 1998 Honda Civic indicates Throttle Position Sensor Signal Higher Than Expected. Common causes include Faulty Throttle Position Sensor, Throttle Position Sensor harness is open or shorted, Throttle Position Sensor 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: P1122 1998 Honda Civic indicates Throttle Position Sensor Signal Higher Than Expected.
Common causes: Common causes include Faulty Throttle Position Sensor, Throttle Position Sensor harness is open or shorted, Throttle Position Sensor 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.

Save to My Repairs Step-by-Step Diagnostic Guide My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 3,543

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 Apr 25, 2019

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1122 1998 Honda Civic Description

OBDII Code P1122 1998 Honda Civic - Throttle Position Sensor Signal Higher Than Expected - AutoCodes.com — P1122 1998 Honda Civic Code - Throttle Position Sensor Signal Higher Than Expected

What does this mean?

What are the Possible Causes of the DTC P1122 1998 Honda Civic?

Faulty Throttle Position Sensor
Throttle Position Sensor harness is open or shorted
Throttle Position Sensor circuit poor electrical connection

How to Fix the DTC P1122 1998 Honda Civic?

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 does this mean?

Code Tech Notes

You can try to clean the throttle body but in many case the throttle body will have to be replaced.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1122 1998 Honda Civic 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 P1122 1998 Honda Civic code?

Need more information on how to fix the P1122 1998 Honda Civic code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1122 1998 Honda Civic 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 1998 Honda Civic Code

1. What are the common symptoms of OBDII code P1122 in a 1998 Honda Civic?

- Common symptoms include poor acceleration, rough idling, stalling, and potential issues with shifting gears.

2. What does the OBDII code P1122 on a 1998 Honda Civic indicate?

- This code indicates that the Throttle Position Sensor (TPS) is sending a signal higher than expected to the Engine Control Module (ECM).

3. What are the possible causes of OBDII code P1122 in a 1998 Honda Civic?

- Possible causes include a faulty TPS, a damaged TPS wiring harness, a dirty throttle body, or issues with the ECM.

4. How can I diagnose the source of OBDII code P1122 in my 1998 Honda Civic?

- You can use a multimeter to test the TPS for proper voltage output, inspect the wiring for any damage, and clean the throttle body to see if it resolves the issue.

5. Is it safe to continue driving my 1998 Honda Civic with OBDII code P1122?

- It is not recommended to continue driving the vehicle with this code as it can lead to poor performance and potential safety hazards.

6. Can I reset the OBDII code P1122 in my 1998 Honda Civic by disconnecting the battery?

- While disconnecting the battery may clear the code temporarily, it is important to address the underlying issue causing the fault code to prevent it from recurring.

7. How much does it typically cost to repair OBDII code P1122 in a 1998 Honda Civic?

- The cost of repairing this code can vary depending on the exact cause, but it may range from $100 to $300 for parts and labor.

8. Will replacing the Throttle Position Sensor (TPS) fix OBDII code P1122 in my 1998 Honda Civic?

- In many cases, replacing a faulty TPS can resolve the P1122 code, but it is important to diagnose the issue accurately before proceeding with any repairs.

9. Can a DIY enthusiast repair OBDII code P1122 in a 1998 Honda Civic?

- Depending on your mechanical skills and tools available, you may be able to replace the TPS or clean the throttle body yourself to address the P1122 code.

10. How often should I check the Throttle Position Sensor (TPS) in my 1998 Honda Civic to prevent OBDII code P1122 from occurring?

- It is recommended to inspect and clean the TPS and throttle body during regular maintenance intervals to help prevent issues that may trigger the P1122 code.