P1122 Ford Code - Throttle Position Sensor Circuit Intermittent Low Voltage
Quick Answer
The P1122 Ford code indicates a problem with the Throttle Position Sensor (TPS) circuit having intermittent low voltage. Common causes include Faulty throttle position sensor, Damaged wiring or connectors in the TPS circuit, Issues with the ECM. 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 Ford indicates Throttle Position Sensor Circuit Intermittent Low Voltage.
- Common causes
- Common causes include Faulty throttle position sensor, Damaged wiring or connectors in the TPS circuit, Issues with the ECM.
- 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 Ford Description
The P1122 Ford code indicates a problem with the Throttle Position Sensor (TPS) circuit having intermittent low voltage. The TPS is a crucial component of the vehicle's fuel management system, as it communicates the position of the throttle to the engine control module (ECM). When the ECM receives a signal of low voltage from the TPS circuit intermittently, it can lead to various issues with engine performance and efficiency.
Common Causes of P1122 Ford
- Faulty throttle position sensor
- Damaged wiring or connectors in the TPS circuit
- Issues with the ECM
- Poor electrical connections
- Corrosion or contamination in the TPS circuit
Symptoms of P1122 Ford
- Erratic idling
- Stalling
- Hesitation during acceleration
- Poor fuel efficiency
- Check Engine Light illuminated
How to Fix P1122 Ford
- Begin by conducting a thorough inspection of the TPS circuit, including the sensor, wiring, and connectors, to identify any visible damage or issues.
- Test the TPS sensor using a multimeter to check for proper voltage output and resistance within the specified range.
- If the TPS sensor is faulty, replace it with a new, OEM-quality sensor to ensure accurate throttle position readings.
- Check and repair any damaged wiring or connectors in the TPS circuit to restore proper electrical connections.
- Clear the diagnostic trouble codes from the ECM and perform a test drive to ensure that the issue has been resolved and the code does not reappear.
Cost to Fix P1122 Ford
The typical repair costs for addressing a P1122 Ford code can range from $100 to $300, depending on the specific components that need to be replaced and the labor involved. This estimate includes the cost of a new TPS sensor, wiring repairs, and any additional parts or materials required for the repair. It's essential to consider that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to inquire about specific pricing based on your location and vehicle model.
Tech Notes for P1122 Ford
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