P0122 Oldsmobile Code - Throttle Position Sensor/Switch 'A' Circuit Low Input
Quick Answer
The Throttle Pedal Position (TPP) responds to the accelerator pedal movement. 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
- P0122 Oldsmobile indicates Throttle Position Sensor/Switch 'A' Circuit Low Input.
- 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.
Code P0122 Oldsmobile Description
Idle position of the throttle valve is determined by the ECM receiving the signal from the throttle position sensor. This sensor controls engine operation such as fuel cut. On the other hand, the Wide open and closed throttle position switch, which is built into the throttle position sensor unit, is not used for engine control.
What are the Possible Causes of the DTC P0122 Oldsmobile?
- Faulty throttle position sensor.
- Throttle position sensor harness is open or shorted
- Throttle position sensor circuit poor electrical connection
How to Fix the DTC P0122 Oldsmobile?
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 P0122 Oldsmobile 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.
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Frequently Asked Questions about P0122 Oldsmobile Code
1. What are the common symptoms of OBDII code P0122 in an Oldsmobile?
- Common symptoms include rough idling, reduced engine power, stalling, poor acceleration, and the Check Engine Light illuminating.
2. What causes the OBDII code P0122 in an Oldsmobile?
- The code is typically triggered by a faulty throttle position sensor, damaged wiring or connectors related to the sensor, or a problem with the sensor's circuit.
3. How can I diagnose the cause of OBDII code P0122 in my Oldsmobile?
- You can use an OBDII scanner to retrieve the code and then inspect the throttle position sensor, its wiring, and connectors for any visible damage or issues.
4. Can I still drive my Oldsmobile with the P0122 code present?
- It is not recommended to drive your vehicle with the P0122 code, as it can lead to poor engine performance and potential safety hazards.
5. How do I repair the Throttle Position Sensor/Switch 'A' Circuit Low Input issue in my Oldsmobile?
- The repair typically involves replacing the throttle position sensor, repairing any damaged wiring or connectors, and clearing the code with an OBDII scanner.
6. Are there any DIY tips for fixing the P0122 code in an Oldsmobile?
- While some may attempt to replace the throttle position sensor themselves, it is recommended to have a professional mechanic diagnose and repair the issue to ensure proper installation and calibration.
7. Can a dirty throttle body cause the P0122 code in an Oldsmobile?
- While a dirty throttle body can contribute to poor engine performance, it is not a direct cause of the P0122 code. Focus on checking the throttle position sensor and its related components.
8. Will resetting the OBDII code P0122 make it go away permanently?
- Resetting the code may temporarily turn off the Check Engine Light, but if the underlying issue causing the P0122 code is not addressed, it is likely to return.
9. How long does it typically take to repair the OBDII code P0122 in an Oldsmobile?
- The repair time can vary depending on the exact cause of the code and the availability of parts. It can range from a few hours to a day in most cases.
10. Is it necessary to take my Oldsmobile to a dealership for the P0122 code repair?
- While a dealership may have specialized knowledge, any reputable mechanic with experience in diagnosing and repairing OBDII codes should be able to address the P0122 code in your Oldsmobile.
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