P0228 Infiniti Code - Throttle Position Sensor 2 Circuit High Input
Quick Answer
The P0228 Infiniti code indicates that there is a high input signal detected in the circuit of the Throttle Position Sensor 2 (TPS). Common causes include Faulty Throttle Position Sensor, Damaged wiring or connectors in TPS circuit, Dirty or obstructed throttle body. 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
- P0228 Infiniti indicates Throttle Position Sensor 2 Circuit High Input.
- Common causes
- Common causes include Faulty Throttle Position Sensor, Damaged wiring or connectors in TPS circuit, Dirty or obstructed throttle body.
- 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 P0228 Infiniti Description
The P0228 Infiniti code indicates that there is a high input signal detected in the circuit of the Throttle Position Sensor 2 (TPS). The TPS is a crucial component of the vehicle's electronic fuel injection system, responsible for monitoring the position of the throttle valve and sending this information to the engine control module (ECM). This high input signal suggests that the voltage being sent from the TPS to the ECM is outside of the normal range, potentially indicating a fault in the sensor or its wiring.
Common Causes of P0228 Infiniti
- Faulty Throttle Position Sensor
- Damaged wiring or connectors in TPS circuit
- Dirty or obstructed throttle body
- Issues with the Engine Control Module (ECM)
Symptoms of P0228 Infiniti
- Poor fuel economy
- Rough idling
- Hesitation during acceleration
- Stalling
- Check Engine Light illuminated
How to Fix P0228 Infiniti
- Begin by diagnosing the specific cause of the high input signal, using a scan tool to read the code and checking the TPS and related components for faults.
- Replace the Throttle Position Sensor if it is found to be faulty, ensuring the new sensor is properly calibrated.
- Inspect and repair any damaged wiring or connectors in the TPS circuit.
- Clean the throttle body to ensure proper operation and prevent future issues.
- Clear the diagnostic trouble codes and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P0228 Infiniti
The cost of repairing a Throttle Position Sensor 2 Circuit High Input code can vary depending on the specific cause of the issue and the labor rates in your area. Typically, the cost of replacing a Throttle Position Sensor ranges from $100 to $300, with additional costs for diagnostic time and any necessary repairs to wiring or connectors. Overall, the total repair cost could range from $150 to $500, but it's advisable to obtain quotes from local auto repair shops for a more accurate estimate. Keep in mind that labor rates can vary widely, so it's essential to shop around for the best price.
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