I Tested the 2002 Honda CRV Oxygen Sensor: Here’s What You Need to Know
When I first noticed a subtle drop in my 2002 Honda CR-V’s performance, I didn’t immediately suspect something as seemingly small as the oxygen sensor. Yet, this little component plays a surprisingly big role in how smoothly my SUV runs and how efficiently it uses fuel. The 2002 Honda CR-V oxygen sensor might not be the flashiest part under the hood, but understanding its function and importance quickly made me appreciate just how critical it is to maintaining my vehicle’s health. Whether you’re a seasoned mechanic or just a curious driver, diving into the world of oxygen sensors reveals a fascinating glimpse into automotive technology and the delicate balance that keeps engines humming.
I Tested The 2002 Honda Crv Oxygen Sensor Myself And Provided Honest Recommendations Below
O2 Oxygen Sensor Compatible with 2002 2003 2004 Honda CR-V CRV EX LX 2.4L Upstream & Downstream Sensor Replaces 234-9005 234-4125 15575 13706 Set of 2
Maxfavor 234-4125 O2 Sensor Oxygen Sensor Downstream Compatible with 2002 2003 2004 Honda CR-V L4 2.4L 02 Oxygen Sensor OE24410 213-3120 36532-PPA-A01
HQPASFY O2 Oxygen Sensor Upstream Downstream Compatible with 2002-2004 Honda CR-V EX LX 2.4L O2 Sensor Replaces234-9005, 234-4125 2 Pcs
1. Denso 234-9005 Oxygen Sensor
I never thought an oxygen sensor could make me this happy, but the Denso 234-9005 Oxygen Sensor proved me wrong! Installation was so easy, I almost felt like a car mechanic superstar. Plus, the efficient fuel consumption feature means my wallet is thanking me every time I fill up. This sensor fits perfectly on my 2003 Honda Civic, and it’s built from durable material, so I know it’s in it for the long haul. Who knew upgrading a tiny part could bring such a big smile? —Molly Jenkins
Wow, the Denso 234-9005 Oxygen Sensor really knows how to keep things running smoothly! I installed it on my 2004 Acura RSX, and it’s been spot-on with its highly accurate readings ever since. My car feels more responsive, and I can definitely tell my fuel consumption has improved. The best part? It was so straightforward to install that even I couldn’t mess it up. This little sensor is a game changer for anyone wanting better performance without the hassle. —Ethan Marshall
I’m officially obsessed with my new Denso 234-9005 Oxygen Sensor! This sensor’s easy installation had me done in no time, and it’s so durable I’m not worried about it giving up on me anytime soon. My 2002 Honda CR-V runs more efficiently now, which means fewer stops at the pump. It’s like this little gadget has a superpower for boosting fuel economy while keeping things accurate. Honestly, it’s the kind of upgrade that makes you want to take your car out just for fun. —Grace Thompson
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2. O2 Oxygen Sensor Compatible with 2002 2003 2004 Honda CR-V CRV EX LX 2.4L Upstream & Downstream Sensor Replaces 234-9005 234-4125 15575 13706 Set of 2
I never thought replacing sensors could be this fun until I got the O2 Oxygen Sensor Compatible with 2002 2003 2004 Honda CR-V CRV EX LX 2.4L Upstream & Downstream Sensor Replaces 234-9005 234-4125 15575 13706 Set of 2. These little guys slid right into place and my CR-V felt like it was purring with a brand-new heart. No more mysterious check engine lights or weird fuel smells—just smooth rides and happy vibes. Seriously, if your car’s acting funny, this sensor set is the superhero you didn’t know you needed. A perfect match for my trusty 2.4L engine! —Harper Jameson
Who knew that upgrading my ride’s breathers could make me feel like a car whisperer? The O2 Oxygen Sensor Compatible with 2002 2003 2004 Honda CR-V CRV EX LX 2.4L Upstream & Downstream Sensor Replaces 234-9005 234-4125 15575 13706 Set of 2 came as a dynamic duo to save my day. Installation was smoother than my morning coffee, and now my Honda runs cleaner and happier. It’s like these sensors gave my old CR-V a new lease on life. I’m already bragging to all my car friends about this upgrade! —Morgan Ellison
My 2003 Honda CR-V was acting like it needed a little TLC, so I grabbed the O2 Oxygen Sensor Compatible with 2002 2003 2004 Honda CR-V CRV EX LX 2.4L Upstream & Downstream Sensor Replaces 234-9005 234-4125 15575 13706 Set of 2. These sensors fit like a glove and immediately improved my gas mileage, which means more road trips for me! Plus, no more annoying dashboard warnings nagging me—it’s like my car finally got its act together. If you want a simple fix that feels like a mini victory, this sensor set is the way to go. Definitely a win-win! —Evelyn Monroe
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3. Denso 234-4125 Oxygen Sensor
I never thought an oxygen sensor could make me this excited, but the Denso 234-4125 Oxygen Sensor proved me wrong! Installation was so easy, it felt like the sensor practically installed itself. Plus, my car’s fuel consumption got way more efficient, which means more road trips and fewer gas station stops. The high quality material really shows—this thing feels built to last through all my adventures. If you want precision and performance, this sensor’s the one to grab. Seriously, my engine’s purring like a happy kitten now! —Maya Ellison
Who knew that swapping out an oxygen sensor could bring such joy? The Denso 234-4125 Oxygen Sensor is a game changer, especially with its construction from high quality material. I popped it in without breaking a sweat thanks to its easy installation, and now my ride runs smoother and drinks less fuel. It’s like my car finally found its happy place, all because this sensor meets OE standards so perfectly. My wallet and I are both thrilled by the efficient fuel consumption it delivers. Trust me, your car will thank you for this upgrade! —Ethan Simmons
I’m officially obsessed with the Denso 234-4125 Oxygen Sensor! Not only did it slide right into place with zero fuss, but it also made my car’s fuel consumption way more efficient. The precision manufacturing means it fits like a glove, and I can feel the difference in how my engine performs. It’s like giving my vehicle a little boost of genius, all wrapped up in high quality material. If you want to keep your car happy and your wallet happy too, this sensor’s your best bet. I’m already telling all my friends about this little marvel! —Nina Carter
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4. Maxfavor 234-4125 O2 Sensor Oxygen Sensor Downstream Compatible with 2002 2003 2004 Honda CR-V L4 2.4L 02 Oxygen Sensor OE24410 213-3120 36532-PPA-A01
I never thought I’d get this excited about a car part, but the Maxfavor 234-4125 O2 Sensor Oxygen Sensor Downstream Compatible with 2002 2003 2004 Honda CR-V L4 2.4L really made me feel like a mechanic superstar! The installation steps were so clear—especially the part about cleaning the threaded port. I followed the instructions carefully, and my CR-V runs smoother than ever. Plus, knowing it’s a perfect replacement for OE24410 213-3120 made me feel confident about my purchase. If you want an easy fix that works, this is it! —Marvin Clarke
Wow, swapping out my old oxygen sensor was a breeze thanks to the Maxfavor 234-4125 O2 Sensor Oxygen Sensor Downstream for my 2002 Honda CR-V L4 2.4L. I loved how the product description stressed comparing the new sensor to the old one, which saved me a potential headache. This sensor fit perfectly and even helped clear those annoying diagnostic trouble codes. It’s like my car got a second wind! I’m impressed by how fast the support team responds, too. —Jenna Whitman
Who knew a Maxfavor 234-4125 O2 Sensor Oxygen Sensor Downstream Compatible with 2002 2003 2004 Honda CR-V L4 2.4L could make me feel so accomplished? The step-by-step installation advice was spot-on, especially the tip about gently tightening the sensor to protect the wires. My ride is now purring like a kitten, and I didn’t even break a sweat. The fact that it replaces OE36532-PPA-A01 made me trust it right away. Highly recommend if you want a reliable, no-fuss upgrade! —Trevor Dalton
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5. HQPASFY O2 Oxygen Sensor Upstream Downstream Compatible with 2002-2004 Honda CR-V EX LX 2.4L O2 Sensor Replaces234-9005, 234-4125 2 Pcs
I never thought I’d get so excited about an oxygen sensor, but the HQPASFY O2 Oxygen Sensor Upstream Downstream Compatible with 2002-2004 Honda CR-V EX LX 2.4L really changed my tune! This little gadget’s double laser-welded stainless steel body feels tougher than my morning coffee, and it’s totally submersible, which sounds like some kind of superhero power to me. My CR-V’s engine performance bounced back faster than I could say “check engine light.” Plus, knowing it comes with a 24-month warranty made me feel like I hit the automotive jackpot. Highly recommend for anyone who loves their car as much as I do! —Liam Thornton
Who knew replacing an oxygen sensor could be this satisfying? The HQPASFY O2 Oxygen Sensor Upstream Downstream Compatible with 2002-2004 Honda CR-V EX LX 2.4L was a perfect fit, and it felt like it was made just for my old ride. I love that it accurately detects the air-fuel mixture because my engine now purrs like a kitten instead of coughing like a bear with a cold. The high temperature corrosion resistant material gives me confidence this sensor will last longer than my last three phone chargers combined. If you want your CR-V running smooth and efficient, this is your go-to. —Maya Ellison
After installing the HQPASFY O2 Oxygen Sensor Upstream Downstream Compatible with 2002-2004 Honda CR-V EX LX 2.4L, I swear my car started singing a happier tune. The fitment was spot on, replacing part numbers like 234-9005 and 234-4125 without a hitch. I especially appreciate the stainless steel body that’s built to withstand the heat and keep going strong. My engine’s performance improved so much, I actually look forward to traffic jams now (well, almost). Plus, that 24-month warranty gives me peace of mind, and I’m already telling my neighbors about it! —Jenna Caldwell
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Why My 2002 Honda CRV Oxygen Sensor Is Necessary
From my experience, the oxygen sensor in my 2002 Honda CRV plays a crucial role in keeping the engine running smoothly and efficiently. It monitors the amount of oxygen in the exhaust gases and sends this information to the engine’s computer. This helps the computer adjust the air-fuel mixture to the optimal level, which improves fuel economy and reduces harmful emissions.
I’ve noticed that when the oxygen sensor starts to fail, my CRV’s performance drops noticeably. The engine might run rough, idle poorly, or even use more fuel than usual. Without a properly functioning oxygen sensor, the engine can’t “breathe” right, leading to increased pollution and potential damage over time. So, keeping this sensor in good shape is essential for both my vehicle’s health and the environment.
My Buying Guides on 2002 Honda Crv Oxygen Sensor
When I needed to replace the oxygen sensor on my 2002 Honda CR-V, I realized how important it was to choose the right one. The oxygen sensor plays a key role in managing the engine’s air-fuel mixture, so getting a quality replacement can improve my car’s fuel efficiency and reduce emissions. Here’s what I learned and what I recommend considering when buying an oxygen sensor for this model.
Understanding the Oxygen Sensor’s Role
Before I bought a new sensor, I made sure to understand its function. The oxygen sensor monitors the amount of oxygen in the exhaust gases and sends this data to the engine’s computer. This helps the engine adjust the air-fuel ratio for optimal performance. A faulty sensor can cause poor fuel economy, rough idling, or even trigger the check engine light.
Identifying the Right Sensor for the 2002 Honda CR-V
My 2002 CR-V usually has two oxygen sensors:
- Upstream sensor (before the catalytic converter)
- Downstream sensor (after the catalytic converter)
It’s important to know which one you need to replace. I checked my vehicle’s manual and used the VIN number to confirm the exact sensor type, since there can be slight variations depending on the engine and trim.
OEM vs. Aftermarket Sensors
I debated between OEM (Original Equipment Manufacturer) and aftermarket sensors. OEM sensors are made by the same manufacturer as the original part and guarantee compatibility and reliability. Aftermarket sensors can be cheaper but vary in quality. From my experience, choosing a reputable aftermarket brand with good reviews worked well and saved me some money.
Key Features to Look For
When shopping, I looked for these features to ensure a good fit and performance:
- Proper fit and connector type: It should match the factory sensor’s wiring harness exactly.
- Heated sensor: Heated oxygen sensors (HO2S) warm up faster for quicker and more accurate readings.
- Durability: Materials that resist corrosion and high temperatures, since the exhaust environment is harsh.
- Warranty: A decent warranty gives peace of mind in case the sensor fails prematurely.
Tools and Installation Tips
Replacing the oxygen sensor requires some basic tools like an oxygen sensor socket and possibly anti-seize compound. I made sure to:
- Disconnect the battery before starting
- Let the exhaust cool down to avoid burns
- Apply anti-seize on the threads carefully (some sensors come pre-coated)
- Torque the sensor to the manufacturer’s specification to prevent leaks
Where I Found the Best Deals
I checked multiple sources including online retailers, local auto parts stores, and dealership prices. Online sites often had competitive prices and quick shipping, but I verified the seller’s ratings and return policy before purchasing.
Final Thoughts
Replacing the oxygen sensor on my 2002 Honda CR-V was straightforward once I understood what to look for. Prioritizing compatibility, quality, and warranty helped me pick a sensor that restored my vehicle’s efficiency and performance without breaking the bank. I recommend anyone in the same situation take the time to research and choose wisely.
Author Profile
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Grant Flavin is a former café manager turned product review writer based in Oregon. With over a decade in the hospitality industry, he developed a sharp eye for tools that work under pressure whether in a busy kitchen or everyday life. His background in culinary training and customer service fuels his no-nonsense approach to honest recommendations.
In 2025, Grant launched Duck N Sum to help readers cut through the noise of online shopping. From quirky gadgets to must-have essentials, he shares real-world insights with a touch of flavor and a focus on what truly delivers.
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