P0122 1997 Ford F150 Code - Throttle Position Sensor Circuit Low Input
Quick Answer
The throttle position sensor (TPS) 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 1997 Ford F150 indicates Throttle Position Sensor 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 1997 Ford F150 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 1997 Ford F150?
- 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 1997 Ford F150?
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.
Code Tech Notes
Fault exhibits a symptom of limited power. A TP PID (TP VPID) reading less than 3.42% (0.17 volt) in key ON engine OFF, continuous memory or key ON engine running indicates a hard fault.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0122 1997 Ford F150 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 1997 Ford F150 Code
1. What are the common symptoms of OBDII code P0122 in a 1997 Ford F150?
- Common symptoms include poor acceleration, stalling, rough idling, and reduced fuel efficiency.
2. What does the P0122 code on a 1997 Ford F150 indicate?
- The P0122 code indicates a Throttle Position Sensor Circuit Low Input error.
3. What are the possible causes of the Throttle Position Sensor Circuit Low Input error in a 1997 Ford F150?
- Possible causes include a faulty throttle position sensor, damaged wiring or connectors, or issues with the vehicle's electronic control module.
4. How can I diagnose the cause of the P0122 code in my 1997 Ford F150?
- A thorough inspection of the throttle position sensor, wiring, and connectors is necessary. Testing the sensor's voltage and resistance can help pinpoint the issue.
5. Is it safe to continue driving my 1997 Ford F150 with the P0122 code present?
- It is not recommended to drive the vehicle with the P0122 code present, as it can lead to performance issues and potential safety hazards.
6. Can I repair the Throttle Position Sensor Circuit Low Input error in my 1997 Ford F150 myself?
- Depending on your automotive knowledge and skills, you may be able to replace the throttle position sensor or repair wiring issues yourself. However, professional help is recommended for accurate diagnosis and repair.
7. How much does it typically cost to fix the P0122 code in a 1997 Ford F150?
- The cost of repairs for the P0122 code can vary depending on the underlying issue. Replacing a faulty throttle position sensor can cost anywhere from $50 to $200, not including labor.
8. Will resetting the OBDII code temporarily fix the issue in my 1997 Ford F150?
- Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying problem causing the P0122 error.
9. Are there any preventive maintenance tips to avoid the Throttle Position Sensor Circuit Low Input error in my 1997 Ford F150?
- Regularly inspecting and cleaning the throttle body, as well as ensuring proper maintenance of the vehicle's electrical system, can help prevent issues with the throttle position sensor.
10. Can the P0122 code in a 1997 Ford F150 cause long-term damage if left unresolved?
- Ignoring the P0122 code can lead to further damage to the engine and other components, affecting the overall performance and safety of the vehicle. It is important to address the issue promptly.
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