P1125 2003 Ford F150 Code - Throttle Position Sensor Intermittent
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
- P1125 2003 Ford F150 indicates Throttle Position Sensor Intermittent.
- 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 P1125 2003 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 P1125 2003 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 P1125 2003 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 P1125 2003 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 P1125 2003 Ford F150 Code
1. What does the OBDII code P1125 mean on a 2003 Ford F150?
P1125 indicates an intermittent issue with the Throttle Position Sensor (TPS), which monitors the position of the throttle plate in the engine.
2. What are the symptoms of code P1125 on a 2003 Ford F150?
Common symptoms include poor throttle response, rough idling, stalling, reduced fuel efficiency, and possibly the Check Engine Light being illuminated.
3. What causes the P1125 code on a 2003 Ford F150?
The most common causes are a faulty Throttle Position Sensor, wiring issues like loose or damaged connections, or a problem with the Powertrain Control Module (PCM).
4. Can I drive my 2003 Ford F150 with the P1125 code active?
While the truck may still run, driving with this code can lead to poor performance and potentially damage other components. It’s best to address the issue promptly.
5. How do I fix the P1125 code on a 2003 Ford F150?
Start by inspecting the TPS and its wiring for damage or loose connections. If no issues are found, the TPS may need to be replaced. Clear the code after repairs to confirm the fix.
6. How much does it cost to fix the P1125 code on a 2003 Ford F150?
Replacing the Throttle Position Sensor typically costs $100–$300, including parts and labor, depending on your location and the repair shop.
7. Can a dirty throttle body cause the P1125 code on a 2003 Ford F150?
Yes, a dirty throttle body can interfere with the sensor’s readings, potentially triggering this code. Cleaning the throttle body may resolve the issue.
8. How can I test the Throttle Position Sensor on my 2003 Ford F150?
Use a multimeter to check the TPS voltage. It should increase smoothly as the throttle is opened. Any erratic readings indicate a faulty sensor.
9. Will clearing the code fix the P1125 issue on a 2003 Ford F150?
Clearing the code without addressing the underlying issue will not fix the problem. The code will likely return until the root cause is resolved.
10. What other codes might appear with P1125 on a 2003 Ford F150?
Codes like P0121, P0122, or P0123 (related to the TPS circuit) may appear alongside P1125, indicating additional issues with the throttle system.
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