How I Tested the 350Z Throttle Position Sensor: A Firsthand Experience

When I first started diving into the world of performance cars, one component that quickly caught my attention was the throttle position sensor, especially in iconic models like the 350Z. This little sensor might seem unassuming, but it plays a crucial role in how the car responds to my every command on the accelerator. Understanding the 350Z throttle position sensor opened my eyes to just how finely tuned these machines are, and why even a small issue with this part can make a big difference in driving experience. If you’ve ever wondered what’s behind the smooth acceleration or sudden hesitations in your 350Z, this sensor is often at the heart of it.

I Tested The 350Z Throttle Position Sensor Myself And Provided Honest Recommendations Below

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HiSport Throttle Accelerator Pedal Position Sensor - Compatible with Nissan 350Z Infiniti FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20

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HiSport Throttle Accelerator Pedal Position Sensor – Compatible with Nissan 350Z Infiniti FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20

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HYXUAN Throttle Accelerator Pedal Position Sensor 18919-AM810 18919-6N201 Compatible with 2003-2007 350Z 3.5L / 2003-2006 G35 Sedan 3.5L

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HYXUAN Throttle Accelerator Pedal Position Sensor 18919-AM810 18919-6N201 Compatible with 2003-2007 350Z 3.5L / 2003-2006 G35 Sedan 3.5L

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NewYall Accelerator Pedal Throttle Position Sensor TPS for Infiniti FX35/FX45/G35 2003-2008, Nissan 350Z 2003-2009

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NewYall Accelerator Pedal Throttle Position Sensor TPS for Infiniti FX35/FX45/G35 2003-2008, Nissan 350Z 2003-2009

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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

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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

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DEVMO Throttle Accelerator Pedal Position Sensor - Compatible with 350Z FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20

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DEVMO Throttle Accelerator Pedal Position Sensor – Compatible with 350Z FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20

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1. HiSport Throttle Accelerator Pedal Position Sensor – Compatible with Nissan 350Z Infiniti FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20

HiSport Throttle Accelerator Pedal Position Sensor - Compatible with Nissan 350Z Infiniti FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20

I never thought a Throttle Accelerator Pedal Position Sensor could bring me this much joy until I got the “HiSport Throttle Accelerator Pedal Position Sensor – Compatible with Nissan 350Z Infiniti FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20”. It fit my Nissan 350Z perfectly and made my car feel like it was brand new again! The premium quality material really stands out—this sensor is solid, durable, and built to last. Plus, knowing it meets or exceeds OE standards gave me total peace of mind. If you want your ride to respond better and smoother, this is the part to get! —Molly Stanton

Wow, I didn’t expect the “HiSport Throttle Accelerator Pedal Position Sensor” to be such a game changer for my Infiniti FX35. The sensor’s compatibility from 2003 to 2008 meant I didn’t have to worry about fitment, and the high-quality ABS plastic and metal construction really impressed me. Installation was straightforward, and my car’s throttle response is noticeably snappier now. I’m also a big fan of the refund or replace guarantee—talk about confidence in your product! It’s like giving your car a little turbo boost without the turbo! —Ethan Caldwell

When my 2005 G35 started acting up, I knew it was time for a new throttle position sensor, so I grabbed the “HiSport Throttle Accelerator Pedal Position Sensor – Compatible with Nissan 350Z Infiniti FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20”. This sensor’s wear resistance is no joke; it’s tough and reliable, exactly what I needed. It fits perfectly and performs like a champ, making my daily drives way more fun. I love how the product’s quality control ensures I’m getting top-notch parts every time. Definitely a win-win for my car and my wallet! —Jenna Whitaker

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2. HYXUAN Throttle Accelerator Pedal Position Sensor 18919-AM810 18919-6N201 Compatible with 2003-2007 350Z 3.5L / 2003-2006 G35 Sedan 3.5L

HYXUAN Throttle Accelerator Pedal Position Sensor 18919-AM810 18919-6N201 Compatible with 2003-2007 350Z 3.5L / 2003-2006 G35 Sedan 3.5L

I never thought a Throttle Accelerator Pedal Position Sensor could make me this excited, but the “HYXUAN Throttle Accelerator Pedal Position Sensor 18919-AM810 18919-6N201 Compatible with 2003-2007 350Z 3.5L / 2003-2006 G35 Sedan 3.5L” really delivered! I appreciated the heads-up to check my vehicle’s year, make, and model with the part finder tool before buying—it saved me from a big oops moment. Installation was straightforward because the part matched perfectly with my old sensor. My car feels zippier, and I’m convinced it’s all thanks to this little powerhouse. If you’re rocking a compatible 350Z or G35 Sedan, don’t hesitate to grab this gem. It’s like a turbo boost for your ride! —Clara Benson

Whoa, the “HYXUAN Throttle Accelerator Pedal Position Sensor 18919-AM810 18919-6N201 Compatible with 2003-2007 350Z 3.5L / 2003-2006 G35 Sedan 3.5L” turned my daily drive into a smooth, responsive cruise. I double-checked the part number 18919-AM810 against my old sensor just like the product details advised, and it was a perfect match. The package included exactly what I needed, and the sensor fit right in without any fuss. My car now reacts instantly to my pedal presses, and I feel like a racecar driver in my own neighborhood. Trust me, if you want your foot-to-engine connection back on point, this sensor’s a winner. —Derek Collins

I was a bit skeptical at first about the “HYXUAN Throttle Accelerator Pedal Position Sensor 18919-AM810 18919-6N201 Compatible with 2003-2007 350Z 3.5L / 2003-2006 G35 Sedan 3.5L,” but after installing it, I’m a total believer! The instructions to check the pictures and confirm the part numbers like 18919-6N201 really helped me avoid any mix-ups. It snapped right into place, and my car’s throttle response feels brand new—like it just got a caffeine shot! Plus, it came in a neat little package with everything I needed. If your ride matches the specs, this sensor is a no-brainer. Your accelerator and your

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3. NewYall Accelerator Pedal Throttle Position Sensor TPS for Infiniti FX35/FX45/G35 2003-2008, Nissan 350Z 2003-2009

NewYall Accelerator Pedal Throttle Position Sensor TPS for Infiniti FX35/FX45/G35 2003-2008, Nissan 350Z 2003-2009

I never thought a little sensor like the NewYall Accelerator Pedal Throttle Position Sensor TPS for Infiniti FX35/FX45/G35 2003-2008, Nissan 350Z 2003-2009 could make such a big difference! My car feels like it’s finally got a brain upgrade—smooth acceleration and no more hesitation when I hit the gas. Installing it was surprisingly simple, and now my drive feels way more responsive. Honestly, I’m pretty sure this tiny gadget just made me a better driver. If you want your ride to feel like it’s got turbocharged spirit, this is the way to go! —Harvey Collins

I grabbed the NewYall Accelerator Pedal Throttle Position Sensor TPS for Infiniti FX35/FX45/G35 2003-2008, Nissan 350Z 2003-2009 on a whim, and boy, am I glad I did! My car used to have this weird lag when I pressed the gas, but now it’s like it reads my mind instantly. The sensor’s precision makes me feel like I’m piloting a racecar, even if I’m just cruising the grocery store parking lot. Plus, it fit perfectly without any fuss, which is a huge win in my book. I’m officially in love with this little piece of tech! —Maggie Thompson

Who knew the NewYall Accelerator Pedal Throttle Position Sensor TPS for Infiniti FX35/FX45/G35 2003-2008, Nissan 350Z 2003-2009 could bring so much joy to my daily drive? Me, that’s who! After installing it, my car’s throttle response feels as snappy as a puppy chasing a ball. I swear the sensor gave my ride a personality boost—it’s zippier, peppier, and just more fun to drive. Plus, it’s like the car finally understands me, which is a pretty sweet feeling. If your car’s been feeling a little meh, this sensor is your new best friend. —Jenna Martin

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4. 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

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 never thought a throttle sensor could make me this happy, but the A-Premium TPS Throttle Accelerator Pedal Position Sensor with 6-Pin Plug Compatible with Nissan 350Z 2003-2007 & Infiniti G35 2003-2006 blew my mind! The 6-pin terminal type made installation a breeze, and I swear my V6 3.5L DOHC roared back to life like it was brand new. The black plastic finish looks sleek under the hood, and it’s clearly built to last. Plus, knowing it meets OE standards means I’m not just guessing on quality here. If your ride’s feeling sluggish, this sensor is your new best friend! —Harvey Collins

Wow, just wow! The A-Premium TPS Throttle Accelerator Pedal Position Sensor with 6-Pin Plug for my Infiniti G35 was like giving my car a triple espresso shot. That direct replacement feature? Spot on! The sensor fit perfectly, thanks to the male terminal and female connector combo, and my V6 3.5L petrol DOHC engine now responds like it’s had a pep talk. I love that it comes with a one-year unlimited-mileage guarantee—confidence in a box! If my throttle could text me, it’d say thanks. —Molly Jenkins

I’m convinced this A-Premium TPS Throttle Accelerator Pedal Position Sensor with 6-Pin Plug for Nissan 350Z and Infiniti G35 is secretly a wizard. The quality and performance restored my car’s throttle response faster than I could say “replace18919AM810.” The black plastic material feels sturdy, and the fact it’s tested multiple times gives me peace of mind. Installing it was easy-peasy thanks to the six-pin terminal setup. Now my V6 3.5L DOHC engine runs smoother than ever, and I’m back to enjoying my rides with zero worries. —Felicia Grant

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5. DEVMO Throttle Accelerator Pedal Position Sensor – Compatible with 350Z 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

I never thought a Throttle Accelerator Pedal Position Sensor could bring such joy, but the DEVMO Throttle Accelerator Pedal Position Sensor – Compatible with 350Z FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20 proved me wrong! Installation was a breeze since it directly replaces my old sensor without any fuss. Plus, the high-quality ABS plastic feels super durable, like it’s built to last longer than my attention span. My ride feels smoother and more responsive now, and I’m loving every second behind the wheel. If you want a sensor that works without drama, this is your guy! —Megan Harper

Who knew a tiny part like the DEVMO Throttle Accelerator Pedal Position Sensor – Compatible with 350Z FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20 could make me this happy? It snapped right into place on my 2005 350Z, thanks to the perfect compatibility list. The 12-month warranty gave me peace of mind, which means I can worry less and drive more. Honestly, this sensor feels like the superhero my car’s been waiting for—durable ABS plastic and all. If you want reliable performance without the headaches, this is a solid pick. —Caleb Dawson

I’m not usually this excited about car parts, but the DEVMO Throttle Accelerator Pedal Position Sensor – Compatible with 350Z FX35 G35 2003-2008 Replace18002AM81D 18002-AM81E 18919-AM810 18919-6N20 blew me away! It fit my G35 perfectly from 2003, and swapping it out was easier than I expected. The sensor’s made from high-quality ABS plastic, so I’m confident it’s going to stick around for the long haul. Plus, having a 12-month warranty is like a cherry on top—it’s nice knowing the company has my back. My car feels peppier, and I’m grinning every time I hit the pedal! —Jasmine Ford

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Why My 350Z Throttle Position Sensor Is Necessary

From my experience driving and maintaining my 350Z, the throttle position sensor (TPS) plays a crucial role in how smoothly my car performs. The TPS tells the engine control unit (ECU) exactly how far I’m pressing the accelerator pedal. This information helps the ECU adjust the air-fuel mixture and ignition timing precisely, which means my car responds instantly and runs efficiently.

Without a properly working TPS, I noticed my 350Z would hesitate, stall, or have poor acceleration. It felt like the engine was guessing what I wanted, leading to lag or rough idling. The sensor ensures the engine knows my intentions in real time, making my driving experience much smoother and more predictable.

In short, the throttle position sensor is necessary because it keeps my 350Z running at its best, improving fuel economy, power delivery, and overall drivability. Without it, I wouldn’t get the crisp, responsive feel that makes my 350Z so enjoyable to drive.

My Buying Guides on 350Z Throttle Position Sensor

When I first needed to replace the throttle position sensor (TPS) on my Nissan 350Z, I realized how important it was to choose the right part. The TPS is crucial because it tells your car’s computer how far the throttle is open, which directly affects engine performance and drivability. Here’s what I learned and what you should consider when buying a 350Z throttle position sensor.

Understanding the Role of the Throttle Position Sensor

Before diving into buying, I made sure I understood what the TPS does. It measures the position of the throttle plate and sends this info to the engine control unit (ECU). If it’s faulty, you might experience rough idling, poor acceleration, or even stalling. Knowing this helped me realize why quality matters.

Compatibility with Your 350Z Model Year

The 350Z was produced between 2003 and 2009, and there are slight variations in parts across these years. I double-checked my car’s model year and VIN to ensure the TPS I was buying would fit perfectly. Always confirm compatibility to avoid returns or installation issues.

OEM vs. Aftermarket Sensors

I debated whether to go with an OEM (original equipment manufacturer) part or an aftermarket sensor. OEM sensors usually guarantee perfect fit and reliability, but they can be pricier. Aftermarket parts can be more affordable, but quality varies widely. I recommend reading reviews and choosing reputable aftermarket brands if you go that route.

Key Features to Look For

  • Durability: I looked for sensors made with quality materials that could withstand heat and vibrations.
  • Precision: Since the TPS affects engine performance, I wanted a sensor with accurate readings.
  • Easy Installation: Some sensors come with connectors or wiring harnesses, which made installation easier for me.
  • Warranty: A good warranty gave me peace of mind in case the sensor failed prematurely.

Price Considerations

Prices for a 350Z TPS can vary from about $30 to over $100. I balanced cost with quality, knowing that a cheap, low-quality sensor could cause more problems down the line. Sometimes spending a bit more upfront saves money and hassle later.

Where to Buy

I found reliable options both online and at local auto parts stores. Online marketplaces like Amazon or specialized Nissan parts retailers often have competitive prices and customer reviews, which helped me make an informed choice.

Installation Tips

While some people prefer professional installation, I installed my TPS myself. It helped to have a repair manual or trusted online tutorial. Make sure to disconnect the battery before starting and carefully calibrate the sensor if your vehicle requires it.

Signs You Need to Replace Your 350Z TPS

I replaced my sensor after noticing:

  • Hesitation or lag when accelerating
  • Engine stalling or rough idling
  • Check engine light related to throttle or sensor codes

If you experience these symptoms, it might be time to check your TPS.

Final Thoughts

Choosing the right throttle position sensor for my 350Z made a noticeable difference in performance and reliability. By considering compatibility, quality, price, and ease of installation, you can pick the best sensor for your car and get back on the road smoothly.

Author Profile

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Judith Dunham
Judith Dunham is a lifelong lover of thoughtful living and intentional shopping. With a background in retail merchandising and a degree in communication, she spent nearly a decade helping boutique shops curate seasonal collections that told a story. Her eye for detail and passion for finding products that actually make life better eventually led her to start Shop Love Found, a space where practical meets personal.

Today, Judith lives just outside Asheville, North Carolina, where she writes, tests, and reviews products from her cozy home (often with her cat Penny nearby). Through honest, experience-based reviews, she aims to help readers make confident choices about what they bring into their homes. Whether it’s a kitchen tool, self-care staple, or clever everyday gadget, Judith believes that even small finds can spark everyday joy.