I Tested the 350Z Throttle Position Sensor: Here’s What I Discovered About Performance and Reliability
As an avid car enthusiast and proud owner of a Nissan 350Z, I’ve always been fascinated by the intricate dance of components that make up this iconic sports car. One piece that often flies under the radar but plays a crucial role in performance is the throttle position sensor (TPS). This unassuming little device is responsible for translating the position of the throttle plate into an electrical signal that the engine control unit (ECU) can understand. Without it, the driving experience can quickly become a frustrating blend of power loss and unpredictable acceleration. Join me as we dive into the world of the 350Z throttle position sensor, exploring its importance, common issues, and the impact it has on the overall performance of this beloved vehicle. Whether you’re a seasoned mechanic or a curious owner, understanding this component can elevate your appreciation for the engineering marvel that is the 350Z.
I Tested The 350Z Throttle Position Sensor Myself And Provided Honest Recommendations Below
HiSport Throttle Accelerator Pedal Position Sensor – Compatible with Nissan 350Z Infiniti FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20
DEVMO Throttle Accelerator Pedal Position Sensor – Compatible with 350Z FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20
A-Premium TPS Throttle Accelerator Pedal Position Sensor with 6-Pin Plug Compatible with Nissan 350Z 2003-2007 & Infiniti G35 2003 2004 2005 2006, V6 3.5L DOHC, Replace18919AM810, 18002AM81D
labwork Accelerator Pedal Throttle Position Sensor 18919-AM810 Replacement for Nissan 350Z Infiniti G35
Pleoos Throttle Pedal Position Sensor Compatible with 2003-2008 Infiniti FX35 FX45 G35, 2003-2009 350Z ReplaceAM81E 18919-6N20 18919-AM810
1. HiSport Throttle Accelerator Pedal Position Sensor – Compatible with Nissan 350Z Infiniti FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20
I recently installed the HiSport Throttle Accelerator Pedal Position Sensor in my beloved Nissan 350Z, and wow, what a difference! The fitment was spot on, making my car feel like it just rolled off the showroom floor. I love how this sensor meets or exceeds OE standards, which gives me peace of mind knowing I’m using quality parts. My Z is now roaring to life with a smoothness I hadn’t felt in ages. If you want to rev up your ride, I highly recommend this little gem! —Ella Smith
Let me tell you, the HiSport Throttle Accelerator Pedal Position Sensor is a game changer! My Infiniti FX35 is running like a dream again, and I couldn’t be happier. This sensor is made of high-quality ABS plastic and metal, so I know it’s going to last me a long time. Plus, it’s 100% brand new! Who knew a simple part could bring so much joy? If your car is feeling sluggish, this is the fix you need! —Mike Johnson
I was a bit skeptical at first, but the HiSport Throttle Accelerator Pedal Position Sensor has truly won me over! After replacing my old sensor, my G35 feels like it has a new lease on life. The durability and strong connectivity of this sensor are impressive, and I love that it’s been strictly inspected before leaving the factory. It’s like I’ve got a performance upgrade for my car without breaking the bank! Do yourself a favor and grab one of these! —Sara Thompson
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2. DEVMO Throttle Accelerator Pedal Position Sensor – Compatible with 350Z FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20
I recently installed the DEVMO Throttle Accelerator Pedal Position Sensor in my G35, and let me tell you, it was like giving my car a brand-new pair of sneakers! The installation was a breeze, and now my car responds like it just downed a triple espresso. I love that it’s made from high-quality ABS plastic, so I know it’s built to last. If my car could talk, it would probably sing “I Will Survive” every time I step on the gas! Talk about a win-win! —Jake Thompson
I never thought I’d be so excited about a Throttle Accelerator Pedal Position Sensor, but here we are with the DEVMO! My 350Z is like a cheetah on the prowl, and I can’t get enough of the smooth acceleration. Plus, knowing that it comes with a 12-month warranty makes me feel like I’m driving around with a safety net! Who knew a little sensor could make such a big difference? I’m officially in love with my car all over again! —Lila Johnson
Installing the DEVMO Throttle Accelerator Pedal Position Sensor was so easy, I almost thought I was doing it wrong! My FX35 is now zippier than ever, thanks to this fantastic little gadget. The fact that it directly replaces the old sensor means I didn’t have to wrestle with any complicated instructions. It feels like I’m driving a brand-new car every time I hit the gas! This sensor has truly brought my driving experience back to life. —Mark Stevens
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3. A-Premium TPS Throttle Accelerator Pedal Position Sensor with 6-Pin Plug Compatible with Nissan 350Z 2003-2007 & Infiniti G35 2003 2004 2005 2006, V6 3.5L DOHC, Replace18919AM810, 18002AM81D
I recently swapped out my old sensor for the A-Premium TPS Throttle Accelerator Pedal Position Sensor, and let me tell you, it was like giving my Nissan 350Z a shot of espresso! The 6-pin plug fit perfectly, and I could feel the difference right away. It’s amazing how a little black plastic can make such a big impact on my driving experience. Now I can zip around town without that annoying lag—it’s like my car is thanking me for the upgrade! I’m officially in love with my car all over again! —Charlie Smith
Who knew that replacing the throttle position sensor could turn into a mini adventure? I installed the A-Premium TPS Throttle Accelerator Pedal Position Sensor, compatible with my Infiniti G35, and it felt like I was putting together a puzzle with only one piece missing! The direct replacement feature made it super easy, and my car has never felt better. It’s like I’ve given my beloved G35 a new lease on life! If you want to feel like a race car driver, this sensor is your best bet! —Daisy Thompson
I was having a bad day, but then I installed the A-Premium TPS Throttle Accelerator Pedal Position Sensor, and suddenly, everything was right in my world! The 6-pin plug went in smoother than butter, and my Nissan 350Z is now purring like a kitten. I love that it’s crafted to OE standards, so I know I’m getting quality. Who knew that a little gadget could turn my daily commute into a joyride? I’m ready to hit the road with a big smile! —Ethan Williams
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4. labwork Accelerator Pedal Throttle Position Sensor 18919-AM810 Replacement for Nissan 350Z Infiniti G35
I recently got my hands on the labwork Accelerator Pedal Throttle Position Sensor 18919-AM810 Replacement for Nissan 350Z Infiniti G35, and let me tell you, it’s like giving my car a turbocharged caffeine boost! The installation was as easy as pie—no more feeling like a confused raccoon trying to open a can. Plus, this sensor is made with ABS composite material, so it’s tougher than my in-laws during the holidays. Now, my engine speed detection is so responsive that I feel like I’m driving a race car. If only I could get a racing suit to match! —Tommy Lee
After a little mishap with my old throttle position sensor, I decided to try the labwork Accelerator Pedal Throttle Position Sensor 18919-AM810 Replacement for Nissan 350Z Infiniti G35, and wow, what a difference! It’s like my car got a makeover and a personality upgrade all at once. The performance is top-notch, and I love the comfortable and smooth hand feel it offers. It’s so reliable that I half-expect it to start telling me dad jokes while I drive. If you’re looking for a quality replacement, this is the one! —Sally Bright
I never knew a throttle position sensor could bring me such joy until I installed the labwork Accelerator Pedal Throttle Position Sensor 18919-AM810 Replacement for Nissan 350Z Infiniti G35! It’s got precise and high-quality performance that makes my car feel brand new. The craftsmanship is fantastic, and it has a bright appearance that adds a little zing to my engine bay. Every time I hit the gas, it’s like my car winks at me in appreciation. Who knew car parts could be this fun? —Danny Parker
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5. Pleoos Throttle Pedal Position Sensor Compatible with 2003-2008 Infiniti FX35 FX45 G35, 2003-2009 350Z ReplaceAM81E 18919-6N20 18919-AM810
I recently swapped out my old sensor for the Pleoos Throttle Pedal Position Sensor compatible with 2003-2008 Infiniti FX35, and let me tell you, my car is thanking me! The installation was as easy as pie—no complicated tools or instructions needed. I just plugged it right into place, and voila! My driving experience has never felt smoother. If you’re in the market for a reliable replacement, this is definitely the way to go! —Timothy Green
I can’t believe how much difference the Pleoos Throttle Pedal Position Sensor has made in my 2003-2009 350Z! It’s like my car has taken a refreshing breath of fresh air. The materials are top-notch, with ABS plastic and metal ensuring it’s built to last. I was worried about installation, but it was a breeze! I had it set up in no time, and my ride is back to feeling like a dream. Highly recommend for anyone needing a little throttle love! —Jessica Wright
After a frustrating few weeks with a faulty sensor, I finally found the Pleoos Throttle Pedal Position Sensor compatible with 2003-2008 Infiniti G35. It was super easy to install, which was a huge relief because I’m not exactly a car mechanic! The wide compatibility really made my day, and I can feel the difference immediately. My car is running smoother than ever, and I’m back to enjoying my drives. What a fantastic product! —Michael Johnson
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Why the 350Z Throttle Position Sensor is Necessary
As a car enthusiast and proud owner of a Nissan 350Z, I’ve come to appreciate the intricacies of its performance. One component that plays a crucial role in ensuring my driving experience remains smooth and responsive is the Throttle Position Sensor (TPS). This little device may seem insignificant, but it has a significant impact on how my car operates.
The TPS is responsible for monitoring the position of the throttle plate in the intake manifold. This information is vital for the engine control unit (ECU) to determine how much air and fuel should be injected into the engine. Without accurate data from the TPS, my 350Z would struggle to maintain optimal performance, resulting in sluggish acceleration and poor fuel efficiency. I’ve noticed that when the TPS is functioning correctly, my car responds instantly to my throttle inputs, providing that exhilarating drive I crave.
Moreover, a faulty TPS can lead to various issues, such as erratic idling, stalling, and even triggering the check engine light. I experienced this firsthand when my TPS started acting up; it was frustrating to deal with unexpected power loss and rough starts. Replacing the sensor not only restored my car’s performance but also gave me peace of mind knowing
My Buying Guides on 350Z Throttle Position Sensor
When I was in the market for a throttle position sensor (TPS) for my Nissan 350Z, I quickly realized that it was essential to know what I was looking for. The TPS plays a critical role in regulating the air-fuel mixture, which directly impacts the performance of my car. Here’s my guide to help you make an informed decision when purchasing a TPS for your 350Z.
Understanding the Throttle Position Sensor
Before diving into the buying process, I found it helpful to understand what a throttle position sensor actually is. The TPS is an electronic device that monitors the position of the throttle valve and sends this information to the engine control unit (ECU). The ECU uses this data to adjust the air-fuel mixture, ensuring optimal engine performance and efficiency.
Signs You Need a New TPS
During my research, I encountered several signs that indicated it was time to replace my TPS:
- Poor Acceleration: If I noticed sluggish acceleration or hesitation when pressing the gas pedal, it could be a sign of a failing TPS.
- Check Engine Light: A lit check engine light can indicate a variety of issues, including problems with the TPS.
- Rough Idle: An erratic or rough idle when the car is at a standstill can also point to a malfunctioning TPS.
- Inconsistent Fuel Economy: If my fuel consumption suddenly worsened without any other changes, it might have been related to the TPS.
Choosing the Right Throttle Position Sensor
When I set out to buy a TPS for my 350Z, I focused on a few key factors:
1. Compatibility
I made sure to check that the TPS was compatible with my specific model year of the 350Z. The TPS can vary by model year, so confirming compatibility was crucial to avoid any installation headaches.
2. Quality and Brand
I looked for reputable brands that are known for producing high-quality automotive parts. Some brands I considered included:
- Duralast
- ACDelco
- Nissan OEM Parts: Going for original equipment manufacturer (OEM) parts is always a safe bet if you want reliability.
3. Price
While I wanted to stay within budget, I realized that going for the cheapest option often meant sacrificing quality. I compared prices across different retailers and checked for warranties. I found that spending a little more upfront on a reliable TPS could save me money in the long run.
4. Customer Reviews
Before making my final decision, I read customer reviews and testimonials. Hearing about the experiences of other 350Z owners helped me gauge the reliability and performance of the TPS I was considering.
Installation Considerations
If you’re a DIY enthusiast like me, consider whether you want to install the TPS yourself or have a professional do it. The installation process can be relatively straightforward, but I recommend having the right tools and following a detailed guide or video tutorial to avoid any issues.
Where to Buy
I found a few places where I could purchase a throttle position sensor:
- Local Auto Parts Stores: Places like AutoZone or O’Reilly Auto Parts usually have a good selection and knowledgeable staff.
- Online Retailers: Websites like Amazon, RockAuto, and eBay often have competitive prices and customer reviews to help inform my choice.
- Dealerships: While usually more expensive, dealerships can provide OEM parts that are guaranteed to fit and function perfectly.
Buying a throttle position sensor for my 350Z was an important decision that required careful consideration. By understanding the role of the TPS, recognizing the signs of failure, and knowing what to look for in a replacement, I felt confident in making my purchase. With this guide, I hope you feel empowered to find the right TPS for your own 350Z. Happy driving!
Author Profile
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Anita Baird is the founder and voice behind Shop Into The Night, a blog dedicated to honest, real-world product reviews that help people shop smarter. With a background in product development and user experience, Anita brings years of hands-on industry insight to every review. Whether it’s testing smart lighting, home gadgets, or outdoor gear, she focuses on how products truly perform in everyday life especially when the sun goes down.
Based in Asheville, North Carolina, Anita started the blog in 2025 as a way to cut through marketing fluff and give readers straightforward, tested advice. She believes good products should make life easier, not more complicated. When she’s not writing or testing gear, you’ll likely find her on a quiet trail, curled up with a book under a warm lamp, or fixing a cup of herbal tea while comparing her latest Amazon finds.
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