AutoCodes – Honda – P1122 1996 Honda Civic

P1122 1996 Honda Civic Code - Throttle Position Sensor Signal Higher Than Expected

Quick Answer

P1122 1996 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 1996 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.

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Code Popularity 2,309

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
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Code P1122 1996 Honda Civic Description

OBDII Code P1122 1996 Honda Civic - Throttle Position Sensor Signal Higher Than Expected - AutoCodes.com — P1122 1996 Honda Civic Code - Throttle Position Sensor Signal Higher Than Expected

What does this mean?

What are the Possible Causes of the DTC P1122 1996 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 1996 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 1996 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 1996 Honda Civic 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 P1122 1996 Honda Civic Code

1. What are the common symptoms of OBDII code P1122 on a 1996 Honda Civic?

- Common symptoms include poor acceleration, rough idling, stalling, and possibly the vehicle going into "limp mode" where it operates with reduced power.

2. What does the OBDII code P1122 "Throttle Position Sensor Signal Higher Than Expected" mean on a 1996 Honda Civic?

- This code indicates that the Engine Control Module (ECM) has detected a higher than expected signal from the throttle position sensor, suggesting a potential issue with the sensor or its circuit.

3. What are the possible causes of OBDII code P1122 on a 1996 Honda Civic?

- The possible causes include a faulty throttle position sensor, a damaged wiring harness, a poor electrical connection, or a problem with the ECM itself.

4. How can I diagnose the OBDII code P1122 on my 1996 Honda Civic?

- Diagnosing this code involves checking the throttle position sensor readings using a multimeter, inspecting the sensor and its wiring for any visible damage, and testing the sensor's voltage output.

5. Can I still drive my 1996 Honda Civic with OBDII code P1122?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage and potential safety hazards. It is best to address the issue promptly.

6. How do I repair OBDII code P1122 on a 1996 Honda Civic?

- The repair typically involves replacing the throttle position sensor if it is found to be faulty, repairing any damaged wiring or connections, and clearing the code with a scan tool.

7. Is it possible to reset OBDII code P1122 on a 1996 Honda Civic without fixing the issue?

- While you can clear the code temporarily with a scan tool, it will likely reappear if the underlying issue is not addressed. It is essential to diagnose and repair the problem to prevent further issues.

8. Can a dirty throttle body cause OBDII code P1122 on a 1996 Honda Civic?

- While a dirty throttle body can cause performance issues, it is unlikely to trigger this specific code. Focus on checking the throttle position sensor and related components first.

9. How much does it typically cost to repair OBDII code P1122 on a 1996 Honda Civic?

- The cost of repair can vary depending on the extent of the issue and whether you perform the repair yourself or take it to a mechanic. Replacement throttle position sensors can range from $50 to $150.

10. Will OBDII code P1122 cause my 1996 Honda Civic to fail an emissions test?

- Yes, if this code is present, it may cause your vehicle to fail an emissions test as it indicates a problem with the throttle position sensor signal, which can impact engine performance and emissions control.