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  3. TRQ O2 OXYGEN SENSOR 78XDJD

TRQ O2 OXYGEN SENSOR 78XDJD Upstream 2.4L

fits model: Tsx. make: Acura. year: 2009–2014.

78xdjd Trq O2 Oxygen Sensor Upstream Fits Acura Tsx 2009-2014 2.4l 4 Cyl

( Brand: Trq O2 Oxygen Sensor ), ( Manufacturer Part Number: 78XDJD ), ( Part Type: Oxygen Sensor ), ( Engine: 2.4l 4 Cyl ), ( Compatible Make/model: Acura Tsx ), ( Compatible Years: 2012 2010 2009 2011 2013 2014 12 10 09 11 13 14 ), ( Position: Upstream ), ( Fitment Info: O2 Oxygen Sensor Bank 1 Sensor 1 ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review TRQ O2 OXYGEN SENSOR Upstream Acura 2.4l Cyl fits TSX 2009–2014

The O2 Sensor 78xDJD is a crucial component of the exhaust system in certain Acura Tsx models from 2009 to 2014, specifically those equipped with the 2.4L engine. This upstream oxygen sensor plays a significant role in the vehicle's fuel efficiency and emissions control system.

The O2 Sensor 78xDJD is designed to measure the amount of unburnt oxygen in the exhaust gases exiting the engine. By monitoring the oxygen levels, the vehicle's engine management system can adjust the air-fuel mixture to ensure optimal combustion efficiency. This results in improved fuel economy, enhanced engine performance, and reduced exhaust emissions.

This particular O2 sensor is a heated type, which means it includes an heating element to ensure it operates effectively in colder temperatures. The sensor's resistance changes based on the oxygen content in the exhaust gases, sending a signal to the engine control module for further adjustments.

The O2 Sensor 78xDJD features a robust design with a ceramic sensing element and a stainless steel housing. The ceramic sensor is protected by a thin layer of platinum, which allows for accurate readings even when the exhaust gases contain high levels of sulfur compounds. The stainless steel housing provides excellent durability against corrosion and damage from the harsh exhaust environment.

Installing the O2 Sensor 78xDJD is a straightforward process for experienced mechanics. However, it is essential to follow the correct installation procedures to ensure proper sensor function and vehicle safety. Always refer to the vehicle's repair manual or consult a professional technician for any installation or replacement tasks.

In summary, the O2 Sensor 78xDJD is a vital component of your Acura Tsx's exhaust system, responsible for measuring exhaust oxygen levels and optimizing fuel efficiency and emissions control. This heated, upstream oxygen sensor uses a robust ceramic sensing element and stainless steel housing to ensure accurate readings and durability in the demanding exhaust environment. Proper installation is crucial for optimal performance and safety.

Buying an O2 sensor (78xdjd upstream) for a 2009-2014 Acura Tsx 2.4L engine comes with several pros and cons. Here's a detailed analysis of each: Pros:

1. Improved Fuel Efficiency: A faulty O2 sensor can lead to poor fuel economy. Replacing it with a new one ensures accurate oxygen readings and optimal fuel consumption.

2. Better Emission Control: The O2 sensor plays a significant role in monitoring the emission levels of your vehicle. A new sensor ensures your car complies with emission standards and runs more efficiently.

3. Smoother Engine Performance: A faulty O2 sensor can cause engine misfires and rough idling. Installing a new sensor can lead to improved engine performance and a smoother ride.

4. Cost-Effective: Replacing the O2 sensor is a cost-effective solution compared to other engine repairs.

5. Longer Engine Life: A new O2 sensor can help prolong the life of your engine by ensuring optimal engine performance and reducing the risk of costly engine damage.

Cons:

1. Cost: The cost of a new O2 sensor can vary depending on the brand and the mechanic's labor charges. While it's a relatively inexpensive repair, it can still add up.

2. Time-Consuming: Replacing the O2 sensor requires some mechanical knowledge or the services of a professional mechanic. This can take some time and may cause inconvenience.

3. Risk of Damage: There's always a risk of causing additional damage to other engine components while replacing the O2 sensor. This is especially true if you're doing the repair yourself.

4. DIY Challenges: Installing the O2 sensor yourself can be challenging, especially if you're not mechanically inclined. This may require additional investments in tools and resources.

Conclusion:

In conclusion, buying a new O2 sensor (78xdjd upstream) for your 2009-2014 Acura Tsx 2.4L engine comes with several advantages, including improved fuel efficiency, better emission control, smoother engine performance, and cost-effectiveness. However, it also comes with some disadvantages, such as cost, time-consuming installation, risk of damage, and DIY challenges.

Recommendation:

If you're experiencing symptoms of a faulty O2 sensor, such as poor fuel economy, rough idling, or check engine light, it's recommended to replace the sensor as soon as possible. You can opt for a professional mechanic to ensure a hassle-free installation or choose to do it yourself if you're confident in your mechanical skills. Regardless of your choice, the benefits of a new O2 sensor far outweigh the costs and inconvenience.

Details:

Terminal Quantity: 4. Thread Size: M18x1.5-6e. Detailed Applications. Connector Shape: Square.

Mounting Type: Threaded. Sensor Type: Wide-Band. Upstream TRQ Oxygen Sensor fits Acura TSX 2009 - 2014 2.4L 4 Cyl 78XDJD: Position: Brand: condition: New Notes: O2 Bank 1, Features:Static-pressed and plasma-sprayed for extended service life. Wire Quantity: 4.

Universal Or Specific Fit. Product Specifications Sensor Design: Planar. Restored Engine Performance: Improved fuel economy and lower emissions.

part #: 78xdjd price

  • $89.59

specifications acrasensor:

  • for models: Tsx
  • for makes: Acura
  • for years: 2009-2014
  • brand: Trq O2 Oxygen Sensor
  • mpn: 78xdjd
  • part type: Oxygen Sensor
  • engine: 2.4l 4 Cyl
  • compatible make/model: Acura Tsx
  • compatible years: 2012 2010 2009 2011 2013 2014 12 10 09 11 13 14
  • position: Upstream
  • fitment info: O2 Oxygen Sensor Bank 1 Sensor 1
  • manufacturer warranty: 12 Month Warranty
  • attention: Read Full Description To Confirm Fitment
  • cs-sku: 400

shipping acraSensor:

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  • cost: $0.00
  • type: Fixed

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  • # reviews: 23497
  • city: Alsip, Illinois
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returns acraSensor:

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offer acraSensor:

  • started: March 27, 2026
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  • availability: In Stock
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general acraSensor:

  • Car Truck Parts Accessories > Air Fuel Delivery > Air Intake Fuel Sensors
  • condition: New
for models: tsx, for makes: acura, for years: 2009-2014, part type: oxygen sensor, engine: 2.4l 4 cyl, compatible make/model: acura tsx, compatible years: 2012 2010 2009 2011 2013 2014 12 10 09 11 13 14, position: upstream, fitment info: o2 oxygen sensor bank 1 sensor 1, manufacturer warranty: 12 month warranty, attention: read full description to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories > air fuel delivery > acura air intake fuel sensors, sku: 5889844588961731,
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1 offer $89.59 USD
  • New. Offer #1 priced at $89.59 + $0.00 shipping estimate = $89.59* total. Wiring Harness Length: 259 mm. 2009-2014 Acura TSX 2.4L 4 Cyl.FREE SHIPPING

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