P0222 Infiniti Code - Throttle Position Sensor/Switch 2 Circuit Low Input
Quick Answer
The P0222 code for Infiniti vehicles indicates a problem with the Throttle Position Sensor/Switch 2 Circuit, specifically a low input signal. Common causes include Faulty throttle position sensor, Wiring issues or loose connections in the throttle position sensor circuit, Corrosion or dirt buildup affecting the sensor's performance. 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
- P0222 Infiniti indicates Throttle Position Sensor/Switch 2 Circuit Low Input.
- Common causes
- Common causes include Faulty throttle position sensor, Wiring issues or loose connections in the throttle position sensor circuit, Corrosion or dirt buildup affecting the sensor's performance.
- 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 P0222 Infiniti Description
The P0222 code for Infiniti vehicles indicates a problem with the Throttle Position Sensor/Switch 2 Circuit, specifically a low input signal. The throttle position sensor is crucial for the engine control unit (ECU) to determine the correct amount of air entering the engine for combustion based on the driver's input through the accelerator pedal. When the sensor detects a low input signal, it means that the voltage reading from the sensor is lower than the expected range, which can lead to issues with the engine's performance and fuel efficiency. This can result in poor acceleration, rough idling, and potential stalling of the engine.
Common Causes of P0222 Infiniti
- Faulty throttle position sensor.
- Wiring issues or loose connections in the throttle position sensor circuit.
- Corrosion or dirt buildup affecting the sensor's performance.
- Issues with the ECU or other related components impacting the sensor's readings.
- Environmental factors such as extreme temperatures affecting sensor operation.
Symptoms of P0222 Infiniti
- Reduced engine power or lack of response when pressing the accelerator pedal.
- Rough idling or engine stalling.
- Poor fuel efficiency, leading to decreased miles per gallon.
- Illumination of the check engine light on the dashboard.
- Difficulty shifting gears or erratic transmission behavior.
How to Fix P0222 Infiniti
- Begin by diagnosing the issue using a diagnostic scanner to confirm the P0222 code and pinpoint the exact cause.
- Inspect the throttle position sensor and its wiring for any damage or corrosion. Clean the sensor if necessary.
- Test the sensor's voltage output and compare it to the manufacturer's specifications to determine if it falls within the acceptable range.
- Replace the throttle position sensor if it is found to be faulty or out of range.
- Clear the error code from the ECU's memory and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0222 Infiniti
The cost of repairing a throttle position sensor issue can vary depending on the specific components that need to be replaced. On average, replacing a throttle position sensor can cost between $100 and $200, including parts and labor. However, additional diagnostic fees and labor charges may apply, so it's recommended to consult with a professional mechanic for a more accurate estimate based on your Infiniti model and location.
When is the Code Detected?
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Information for Specific Infiniti Models
- P0222 2003 Infiniti G35 — Throttle Position Sensor/Switch 2 Circuit Low Input
- P0222 2004 Infiniti G35 — Throttle Position Sensor/Switch 2 Circuit Low Input
- P0222 2005 Infiniti G35 — Throttle Position Sensor/Switch 2 Circuit Low Input
- P0222 2006 Infiniti G35 — Throttle Position Sensor/Switch 2 Circuit Low Input
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