P1120 2002 Ford F150 Code - Throttle Position Sensor Out of Range
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
- P1120 2002 Ford F150 indicates Throttle Position Sensor Out of Range.
- 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 P1120 2002 Ford F150 Description
• Closed throttle (includes idle or deceleration)
• Part throttle (includes cruise or moderate acceleration)
• Wide open throttle (includes maximum acceleration or de-choke on crank)
• Throttle angle rate
What are the Possible Causes of the DTC P1120 2002 Ford F150?
- Faulty throttle position sensor
- Throttle position sensor harness is open or shorted
- Throttle position sensor circuit poor electrical connection
- Throttle position sensor not properly adjusted
How to Fix the DTC P1120 2002 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
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1120 2002 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 P1120 2002 Ford F150 Code
1. What are the common symptoms of OBDII code P1120 in a 2002 Ford F150 related to the throttle position sensor?
The common symptoms include rough idling, poor acceleration, stalling, and difficulty maintaining a consistent speed.
2. What are the potential causes of the OBDII code P1120 indicating that the throttle position sensor is out of range in a 2002 Ford F150?
The potential causes could be a faulty throttle position sensor, damaged wiring or connectors, a dirty throttle body, or issues with the vehicle's electronic control module.
3. How can I diagnose the throttle position sensor issue triggering the OBDII code P1120 in my 2002 Ford F150?
You can use a multimeter to test the throttle position sensor's voltage output, visually inspect the wiring and connectors for any damage, and clean the throttle body to see if it improves sensor performance.
4. Is it safe to continue driving my 2002 Ford F150 with the OBDII code P1120 for the throttle position sensor out of range?
It is not recommended to drive the vehicle with this code as it can lead to poor performance, decreased fuel efficiency, and potential safety hazards due to inconsistent throttle response.
5. Can I reset the OBDII code P1120 in my 2002 Ford F150 without addressing the underlying throttle position sensor issue?
Resetting the code without fixing the root cause will only temporarily clear the error code. It is essential to diagnose and repair the throttle position sensor problem to prevent the code from reoccurring.
6. What are some DIY repair tips for fixing the OBDII code P1120 related to the throttle position sensor in a 2002 Ford F150?
You can try cleaning the throttle body, inspecting and repairing any damaged wiring or connectors, and replacing the throttle position sensor if necessary. However, if you are unsure, it's best to consult a professional mechanic.
7. How much does it typically cost to repair the throttle position sensor issue triggering the OBDII code P1120 in a 2002 Ford F150?
The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor if you take your vehicle to a mechanic.
8. Will replacing the throttle position sensor resolve the OBDII code P1120 in my 2002 Ford F150?
In many cases, replacing the faulty throttle position sensor will resolve the issue and clear the code. However, it's essential to ensure proper installation and calibration for optimal performance.
9. Can extreme weather conditions affect the throttle position sensor performance and trigger the OBDII code P1120 in a 2002 Ford F150?
Yes, extreme temperatures or humidity levels can impact the sensor's readings and lead to the code being triggered. It's crucial to keep the sensor and its connections well-protected.
10. How long does it typically take to repair the throttle position sensor issue causing the OBDII code P1120 in a 2002 Ford F150?
The repair time can vary based on the extent of the issue and the availability of parts. In most cases, a professional mechanic can complete the repair within a few hours to a day.
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