P0058 2004 Infiniti G35 Code - HO2S22 Heater Control Circuit High
Quick Answer
The diagnostic trouble code P0058 in a 2004 Infiniti G35 refers to an issue with the HO2S22 (Heated Oxygen Sensor 2 Bank 2) heater control circuit being detected as high. Common causes include Faulty Oxygen Sensor: The most common cause of this code is a malfunctioning or failed oxygen sensor heater element, Wiring Issues: Damaged or corroded wiring connections to the oxygen sensor can cause high voltage in the heater control circuit, PCM Malfunction: A problem with the powertrain control module (PCM) can also trigger this code. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0058 2004 Infiniti G35 indicates HO2S22 Heater Control Circuit High.
- Common causes
- Common causes include Faulty Oxygen Sensor: The most common cause of this code is a malfunctioning or failed oxygen sensor heater element, Wiring Issues: Damaged or corroded wiring connections to the oxygen sensor can cause high voltage in the heater control circuit, PCM Malfunction: A problem with the powertrain control module (PCM) can also trigger this code.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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Code P0058 2004 Infiniti G35 Description
The diagnostic trouble code P0058 in a 2004 Infiniti G35 refers to an issue with the HO2S22 (Heated Oxygen Sensor 2 Bank 2) heater control circuit being detected as high. This means that the powertrain control module (PCM) has detected a higher than normal voltage in the heater control circuit of the oxygen sensor located on the second bank of cylinders in the exhaust system. The oxygen sensor is responsible for monitoring the oxygen levels in the exhaust gases and providing feedback to the PCM to adjust the air-fuel mixture for optimal combustion.
Common Causes of P0058 2004 Infiniti G35
- Faulty Oxygen Sensor: The most common cause of this code is a malfunctioning or failed oxygen sensor heater element.
- Wiring Issues: Damaged or corroded wiring connections to the oxygen sensor can cause high voltage in the heater control circuit.
- PCM Malfunction: A problem with the powertrain control module (PCM) can also trigger this code.
- Exhaust System Leak: An exhaust leak near the oxygen sensor can affect its performance and trigger the code.
- Faulty Heater Circuit: Issues with the heater circuit itself, such as a blown fuse or relay, can also cause this code.
Symptoms of P0058 2004 Infiniti G35
- Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the dashboard.
- Poor Fuel Economy: A malfunctioning oxygen sensor can cause the engine to run rich or lean, resulting in decreased fuel efficiency.
- Rough Idle: The engine may experience rough idling or hesitation during acceleration due to incorrect air-fuel mixture.
- Failed Emissions Test: If the oxygen sensor is not functioning properly, it can lead to increased emissions, causing the vehicle to fail emissions testing.
How to Fix P0058 2004 Infiniti G35
- Diagnose the Issue: Use a scan tool to retrieve the trouble codes and perform a thorough inspection of the oxygen sensor and its wiring.
- Test the Oxygen Sensor: Check the resistance of the oxygen sensor heater element to determine if it is faulty.
- Check Wiring Connections: Inspect the wiring harness for any damage, corrosion, or loose connections and repair as needed.
- Replace Oxygen Sensor: If the oxygen sensor heater element is found to be faulty, replace the oxygen sensor with a new one.
- Clear Codes and Test Drive: After completing the repair, clear the trouble codes from the PCM and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0058 2004 Infiniti G35
The cost of repairing the HO2S22 heater control circuit high code in a 2004 Infiniti G35 can vary depending on the specific cause of the issue. On average, the cost of replacing an oxygen sensor can range from $200 to $400, including parts and labor. However, if the issue is related to wiring or other components, the cost may be higher. Additionally, diagnostic time and labor rates at auto repair shops can vary, typically ranging from $80 to $150 per hour. It is recommended to consult with a professional mechanic to get an accurate estimate based on the specific circumstances of the vehicle.
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Frequently Asked Questions about P0058 2004 Infiniti G35 Code
1. What does the OBDII code P0058 mean on a 2004 Infiniti G35?
P0058 indicates an issue with the heater control circuit for the oxygen sensor (HO2S) located on Bank 2, Sensor 2. Specifically, the circuit voltage is higher than expected.
2. What are the symptoms of code P0058 in a 2004 Infiniti G35?
Common symptoms include an illuminated check engine light, reduced fuel efficiency, failed emissions tests, and possible rough idling.
3. What causes code P0058 in a 2004 Infiniti G35?
Possible causes include a faulty oxygen sensor, damaged wiring or connectors in the heater control circuit, a blown fuse, or a malfunctioning powertrain control module (PCM).
4. Can I drive my 2004 Infiniti G35 with a P0058 code?
While the car may be drivable, it's not recommended to ignore the code, as it can lead to poor fuel economy, increased emissions, and potential damage to the catalytic converter over time.
5. How do I diagnose code P0058 on a 2004 Infiniti G35?
Start by inspecting the oxygen sensor wiring and connectors for damage. Use a multimeter to test the heater circuit for continuity and confirm proper voltage at the connector. If no issues are found, test or replace the oxygen sensor.
6. How do I fix the P0058 code on a 2004 Infiniti G35?
Repairs may include replacing the Bank 2, Sensor 2 oxygen sensor, repairing damaged wiring or connectors, replacing a blown fuse, or addressing PCM-related issues if all else checks out.
7. Where is Bank 2, Sensor 2 located on a 2004 Infiniti G35?
Bank 2 refers to the side of the engine opposite the number one cylinder, and Sensor 2 is the downstream oxygen sensor located after the catalytic converter.
8. What tools are needed to fix a P0058 code on a 2004 Infiniti G35?
Common tools include a diagnostic scanner, multimeter, oxygen sensor socket, and basic hand tools for removing and replacing components.
9. How much does it cost to repair a P0058 code on a 2004 Infiniti G35?
The cost depends on the issue. Replacing an oxygen sensor typically costs $150-$300, while repairing wiring can vary widely based on the damage.
10. Can a P0058 code cause long-term damage to my 2004 Infiniti G35?
If left unresolved, the code can lead to excessive fuel consumption, increased emissions, and potential damage to the catalytic converter, which can be expensive to replace.
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