ZTBH 211200-7310

ZTBH Oxygen Sensor 211200-7310 Instruction Manual

1. Product Overview

The ZTBH Oxygen Sensor 211200-7310 is a critical component designed for automotive exhaust systems. It measures the oxygen content in the exhaust gases, providing essential data to the engine control unit (ECU). This information allows the ECU to optimize the air-fuel mixture for efficient combustion, improved fuel economy, and reduced emissions. This sensor is constructed from high-quality materials for durability and a long service life, ensuring reliable performance.

ZTBH Oxygen Sensor 211200-7310 with OE number

Figure 1.1: ZTBH Oxygen Sensor 211200-7310, showing the full sensor assembly with the OE part number clearly visible.

2. Specifications

  • Part Numbers: 211200-7310, 22693-ZX70A, 234-9036, 5S10183 25685
  • Fitting Type: Direct replacement
  • Item Weight: Approximately 300 Grams
  • Unit Count: 1.0 Count
  • Material: High-quality, durable construction
Close-up view of the ZTBH Oxygen Sensor body

Figure 2.1: Close-up view of the ZTBH Oxygen Sensor body, highlighting its robust construction.

3. Vehicle Compatibility

This ZTBH Oxygen Sensor 211200-7310 is designed to be compatible with various vehicle models. Please verify the part number against your vehicle's existing sensor or manufacturer specifications to ensure proper fitment.

Known Compatible Models:

  • FX35
  • M35
  • EX35
  • G35
  • G37

4. Installation Instructions

Warning: Always ensure the vehicle's engine is cool before attempting installation. Disconnect the negative terminal of the vehicle's battery to prevent electrical hazards. Professional installation is recommended.

  1. Prepare the Vehicle: Park the vehicle on a level surface and engage the parking brake. Allow the engine to cool completely. Disconnect the negative battery terminal.
  2. Locate the Sensor: Identify the oxygen sensor that needs replacement. Oxygen sensors are typically located in the exhaust manifold or exhaust pipe.
  3. Disconnect Electrical Connector: Carefully disconnect the electrical connector from the old oxygen sensor.
  4. Remove Old Sensor: Use an oxygen sensor wrench or a suitable socket to loosen and remove the old sensor. Be aware that sensors can be seized due to heat and corrosion.
  5. Prepare New Sensor: If the new sensor does not come with anti-seize compound pre-applied to the threads, apply a thin layer of high-temperature anti-seize lubricant to the threads of the new ZTBH oxygen sensor. Avoid getting anti-seize on the sensor tip.
  6. Install New Sensor: Carefully thread the new sensor into the exhaust bung by hand to prevent cross-threading. Once hand-tight, use the wrench to tighten it to the manufacturer's specified torque. Do not overtighten.
  7. Reconnect Electrical Connector: Firmly connect the electrical connector to the new sensor until it clicks into place. Ensure a secure connection.
  8. Reconnect Battery: Reconnect the negative battery terminal.
  9. Clear Fault Codes: If a Check Engine Light (CEL) was illuminated, it may be necessary to clear the fault codes using an OBD-II scanner.
Close-up of the ZTBH Oxygen Sensor electrical connector

Figure 4.1: Detailed view of the ZTBH Oxygen Sensor's electrical connector, showing the pin configuration.

Close-up of the ZTBH Oxygen Sensor tip

Figure 4.2: Close-up of the ZTBH Oxygen Sensor tip, which measures oxygen levels in the exhaust.

5. Operation

Once installed, the ZTBH Oxygen Sensor operates automatically as part of your vehicle's engine management system. It continuously monitors the oxygen levels in the exhaust stream and sends voltage signals to the ECU. The ECU uses these signals to adjust the fuel injection and ignition timing, ensuring optimal engine performance, fuel efficiency, and emission control. No user intervention is required for its operation.

6. Maintenance

Oxygen sensors are generally considered maintenance-free components designed for a specific service life. They are not typically cleaned or repaired. However, regular vehicle maintenance, such as timely oil changes and proper engine tuning, can help prolong the life of your oxygen sensor by preventing contamination from excessive carbon buildup or unburnt fuel.

If your vehicle exhibits symptoms of a failing oxygen sensor (e.g., illuminated Check Engine Light, decreased fuel economy, increased emissions), it should be inspected and replaced as necessary.

7. Troubleshooting

A faulty oxygen sensor can lead to various issues with your vehicle's performance. Below are common symptoms and potential causes:

  • Check Engine Light (CEL) Illuminated: This is the most common indicator. An OBD-II scanner will typically show codes related to oxygen sensor performance (e.g., P0130-P0167).
  • Decreased Fuel Economy: A failing sensor can cause the engine to run too rich or too lean, leading to inefficient fuel consumption.
  • Rough Idling or Stalling: Incorrect air-fuel mixture can affect engine stability.
  • Increased Emissions: A malfunctioning sensor can prevent the catalytic converter from operating efficiently, leading to higher pollutant output.
  • Failed Emissions Test: Directly related to increased emissions.

Recommended Actions:

  • Scan for Codes: Use an OBD-II scanner to retrieve diagnostic trouble codes (DTCs). This will help pinpoint the specific sensor or circuit issue.
  • Inspect Wiring and Connector: Check the sensor's wiring harness and connector for any signs of damage, corrosion, or loose connections.
  • Professional Diagnosis: If you are unsure about the diagnosis or repair, it is highly recommended to consult a qualified automotive technician.

8. Warranty and Support

The ZTBH Oxygen Sensor is manufactured to high standards. For any questions, comments, or concerns regarding your product, please contact our customer service team. We are available to assist you online 24 hours a day.

Please refer to your purchase documentation for specific warranty terms and conditions.

© 2026 ZTBH. All rights reserved.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.