P1122 1997 Honda Civic Code - Throttle Position Sensor Signal Higher Than Expected
Quick Answer
The P1122 code on a 1997 Honda Civic indicates that the Throttle Position Sensor (TPS) is sending a signal that is higher than expected to the Engine Control Module (ECM). Common causes include Faulty Throttle Position Sensor, Wiring or connector issues, Contamination of the TPS. 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 1997 Honda Civic indicates Throttle Position Sensor Signal Higher Than Expected.
- Common causes
- Common causes include Faulty Throttle Position Sensor, Wiring or connector issues, Contamination of the TPS.
- 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 P1122 1997 Honda Civic Description
The P1122 code on a 1997 Honda Civic indicates that the Throttle Position Sensor (TPS) is sending a signal that is higher than expected to the Engine Control Module (ECM). The TPS is a crucial component that monitors the position of the throttle valve and sends this information to the ECM, which uses it to determine the appropriate air-fuel mixture for combustion. When the TPS signal is higher than expected, it can lead to a variety of performance issues in the vehicle.
Common Causes of P1122 1997 Honda Civic
- Faulty Throttle Position Sensor
- Wiring or connector issues
- Contamination of the TPS
- Wear and tear on the TPS
- Faulty internal circuit in the TPS
Symptoms of P1122 1997 Honda Civic
- Poor fuel economy
- Rough idling
- Hesitation during acceleration
- Erratic shifting in automatic transmissions
- Decreased engine performance
How to Fix P1122 1997 Honda Civic
- Begin by diagnosing the issue using a scan tool to confirm the P1122 code and identify the specific problem with the TPS.
- Inspect the TPS, wiring, and connectors for any visible damage, corrosion, or contamination. Clean or replace components as needed.
- Test the TPS using a multimeter to ensure it is sending the correct signal to the ECM. Replace the TPS if it is faulty.
- Clear the code from the ECM using the scan tool and test drive the vehicle to ensure the issue has been resolved.
- If the problem persists, further diagnostics may be required to identify any underlying issues with the TPS or related components.
Cost to Fix P1122 1997 Honda Civic
The typical repair costs for addressing a P1122 code on a 1997 Honda Civic can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Rates may be higher at dealerships or in metropolitan areas, while independent shops often charge less. For a more precise estimate, it's recommended to check local rates before proceeding with the repair.
Tech Notes for P1122 1997 Honda Civic
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Frequently Asked Questions about P1122 1997 Honda Civic Code
1. What are the common symptoms of OBDII code P1122 in a 1997 Honda Civic?
- Common symptoms include rough idling, poor acceleration, stalling, and potential difficulty shifting gears.
2. What does the OBDII code P1122 mean for a 1997 Honda Civic?
- P1122 indicates that the Throttle Position Sensor (TPS) signal is higher than expected, signaling a potential issue with the TPS.
3. What are the possible causes of OBDII code P1122 in a 1997 Honda Civic?
- The main causes can include a faulty TPS, a short circuit in the TPS wiring, or a problem in the TPS circuit itself.
4. How can I diagnose the OBDII code P1122 in my 1997 Honda Civic?
- Diagnosing P1122 typically involves checking the TPS wiring for any damage, testing the TPS sensor's voltage output, and verifying the TPS signal with a scan tool.
5. Can I still drive my 1997 Honda Civic with OBDII code P1122?
- It is not recommended to drive with P1122 as it can lead to poor performance and potential safety hazards. It's best to address the issue promptly.
6. How can I repair OBDII code P1122 in my 1997 Honda Civic?
- Repairing P1122 often involves replacing the Throttle Position Sensor with a new one, ensuring proper wiring connections, and clearing the trouble code.
7. Is it possible to reset OBDII code P1122 in a 1997 Honda Civic without replacing the TPS?
- While clearing the code temporarily may be possible, it is essential to address the underlying issue by fixing or replacing the TPS to prevent further problems.
8. Are there any preventative maintenance tips to avoid OBDII code P1122 in a 1997 Honda Civic?
- Regularly inspecting the TPS and its wiring for wear or damage, and keeping up with recommended maintenance schedules can help prevent P1122 from occurring.
9. Can a DIY enthusiast with basic automotive knowledge fix OBDII code P1122 in a 1997 Honda Civic?
- Yes, replacing the TPS and checking the wiring connections can be manageable for someone with basic automotive skills, given the proper tools and guidance.
10. Is it necessary to reset the ECU after repairing OBDII code P1122 in a 1997 Honda Civic?
- Yes, resetting the ECU after repairing P1122 can help clear the trouble code and ensure the system recalibrates correctly to the new TPS signal.
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