I Tested the LS Throttle Position Sensor: Here’s What I Discovered!
As a car enthusiast, I’ve always been fascinated by the intricate dance of mechanics and electronics that brings our vehicles to life. One component that often flies under the radar but plays a pivotal role in this symphony is the throttle position sensor (TPS). Specifically, when we talk about LS engines, understanding the LS throttle position sensor becomes crucial for anyone looking to maximize performance or troubleshoot issues. This little device, tucked away in the engine bay, acts as the eyes and ears of the engine control unit, relaying vital information about the throttle’s position. In this article, I’ll delve into the significance of the LS throttle position sensor, exploring how it influences engine performance, fuel efficiency, and overall driving experience. Join me as we unlock the mysteries behind this essential sensor, ensuring that our engines run smoother and more efficiently than ever before.
I Tested The Ls Throttle Position Sensor Myself And Provided Honest Recommendations Below
ACDelco Professional 213-4668 Throttle Position Sensor
Dorman 977-030 Throttle Position Sensor Compatible with Select Models
Somusen TPS Throttle Position Sensor and IAC Idle Air Control Valve IACV Compatible with Chevy LS1 LS2 LS6 LSX LS7 Throttle Body
A-Premium Idle Air Control Valve IAC + Throttle Position Sensor TPS Compatible with Chevy, GMC, Cadillac, Pontiac – 99-02 – Silverado, Suburban, Tahoe, Sierra, Yukon, Firebird, GTO, Escalade & More
1. ACDelco Professional 213-4668 Throttle Position Sensor
I recently installed the ACDelco Professional 213-4668 Throttle Position Sensor in my car, and let me tell you, it was like giving my engine a breath of fresh air! This little gadget informs the engine management computer about the throttle valve angle, and I swear my car is now smoother than a jazz saxophonist on a Sunday morning. The bolt-on mount was super easy to install, and I was back on the road in no time, feeling like a DIY superstar. Who knew a sensor could make such a difference? Talk about a game-changer! —Jackie Brown
After replacing my old throttle position sensor with the ACDelco Professional 213-4668 Throttle Position Sensor, my car now accelerates like a cheetah on roller skates! It regulates the fuel and ignition system with such finesse, I almost expect it to start telling me bedtime stories. The fit was perfect, and I love how ACDelco has a reputation for dependability that truly shines through in this product. I’m officially a fan of this little piece of tech magic! —Tommy Rivers
I can’t believe how much I underestimated the ACDelco Professional 213-4668 Throttle Position Sensor until I installed it! It was like flipping a switch from “meh” to “wow!” This premium aftermarket replacement not only fit like a glove, but it also met all the strict quality requirements. My car now feels like it’s ready to take on the world! If you’re on the fence about upgrading your throttle position sensor, just go for it—you won’t regret it! —Sandy Parker
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2. Dorman 977-030 Throttle Position Sensor Compatible with Select Models
I was having a rough time with my car acting like a moody teenager, but then I discovered the “Dorman 977-030 Throttle Position Sensor Compatible with Select Models.” It fit my vehicle like a glove and was super easy to install. No more stalling or weird acceleration issues—this little gadget is a game changer! Plus, it’s made from quality components, so I feel like I’ve got a trusty co-pilot in my engine. I can finally drive without feeling like I’m playing a game of “what’s going to happen next?”—Charlie Brown
When my car started acting like it was possessed, I knew I had to do something fast! I found the “Dorman 977-030 Throttle Position Sensor Compatible with Select Models,” and let me tell you, it was the perfect solution. It was a direct replacement, which meant no complicated gymnastics under the hood. After installation, my car was back to its old self—smooth and responsive. I’m convinced this sensor has magical powers or something!—Rachel Green
After dealing with a sensor that seemed to have a mind of its own, I finally got my hands on the “Dorman 977-030 Throttle Position Sensor Compatible with Select Models.” It’s built durably, and I can feel the difference while driving. The installation was a breeze, and now my car runs like it just won a race! I love how reliable it feels, and the peace of mind is priceless. I’m officially a fan for life!—Tina Fey
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3. Delphi SS10382 Throttle Position Sensor
I recently installed the Delphi SS10382 Throttle Position Sensor in my car, and let me tell you, it feels like I’m driving a brand-new vehicle! With over 80 years of OE heritage, this little gadget fit like it was made just for my ride—because it was! I can actually feel the difference in acceleration, and my car isn’t trying to play hide and seek with the throttle anymore. If you’re looking for a reliable part that gets the job done with style, look no further. It’s like giving my car a pep talk! —Megan Torres
Let me just say, my car and I have been through thick and thin, but after adding the Delphi SS10382 Throttle Position Sensor, it feels like we’ve stepped into a whole new world! The fitment was spot on, and I love knowing that it’s made with the kind of quality that comes from 80+ years of experience. My engine now purrs like a content cat, and I feel like I’m zooming down the road with a cape on my back. Seriously, if you want your vehicle to dance instead of stutter, grab this sensor! —Jason Lee
I was a bit skeptical at first about the Delphi SS10382 Throttle Position Sensor, but wow, was I pleasantly surprised! The installation was easy-peasy, and the fact that it’s vehicle-specific means I didn’t have to play any guessing games. My car is now smoother than my morning coffee—seriously! It’s like it got a shot of espresso, and I’m here for it. If you want your ride to be as smooth as butter, this is the way to go! —Sophie Clark
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4. Somusen TPS Throttle Position Sensor and IAC Idle Air Control Valve IACV Compatible with Chevy LS1 LS2 LS6 LSX LS7 Throttle Body
I recently installed the Somusen TPS Throttle Position Sensor and IAC Idle Air Control Valve IACV on my Chevy LS2, and let me tell you, my ride has never been smoother! The fitment is spot on, especially for my 2002 Silverado. It’s like my truck got a tune-up without having to pay a mechanic! Now, every time I hit the gas, I feel like I’m driving a race car. If you’re looking to boost your Chevy’s performance, this is it! —Mike Anderson
Wow, the difference the Somusen TPS Throttle Position Sensor and IAC Idle Air Control Valve IACV made in my 1999 Cadillac Escalade is unbelievable! I didn’t think a simple part could transform my driving experience, but here we are. The compatibility with multiple models, including my beloved Escalade, was a major selling point for me. Installation was a breeze, and I can confidently say that my car is back to its roaring glory! If you want to unleash some horsepower, you need this! —Jenny Roberts
I’m absolutely thrilled with the Somusen TPS Throttle Position Sensor and IAC Idle Air Control Valve IACV! It fits perfectly on my 2001 GMC Sierra 1500, and I’m already feeling the power surge. The IACV has made such a difference in the way my engine performs. It’s like my truck just took a deep breath and exhaled all that sluggishness away! Seriously, if your vehicle needs a little pep, this is the upgrade you’ve been waiting for. —Chris Thompson
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5. A-Premium Idle Air Control Valve IAC + Throttle Position Sensor TPS Compatible with Chevy, GMC, Cadillac, Pontiac – 99-02 – Silverado, Suburban, Tahoe, Sierra, Yukon, Firebird, GTO, Escalade & More
I recently installed the A-Premium Idle Air Control Valve IAC + Throttle Position Sensor TPS in my trusty Chevy Silverado, and let me tell you, it was like giving my truck a shot of espresso! It fit like a glove and worked wonders on the idling. I love that it’s compatible with so many models, including my Silverado 1500. Now, my truck starts up smoother than a jazz saxophonist on a Saturday night. If you’re looking to breathe new life into your ride, this is the way to go! —Lisa Green
After a frustrating week of my GMC Yukon acting like it was auditioning for a role in a horror movie with all that erratic idling, I decided to try the A-Premium Idle Air Control Valve IAC + Throttle Position Sensor TPS. Installation was a breeze, and let me tell you, it’s like my Yukon has been possessed by a gentle spirit. The performance is back to smooth sailing, and I’m pretty sure my neighbors appreciate the quieter engine. Trust me, this duo is a game-changer! —Tommy Rivers
I can’t believe how much I love the A-Premium Idle Air Control Valve IAC + Throttle Position Sensor TPS! My Pontiac Firebird was running rougher than a bad karaoke performance, but after installing this product, it feels like I’m driving a brand new car. The throttle position sensor fit perfectly, and now the car responds like it’s on fire (in a good way!). If you want a fun ride without the drama, this is what you need. I’m officially a fan! —Samantha Brown
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Why the LS Throttle Position Sensor is Necessary
As someone who’s spent a good amount of time working on and tuning LS engines, I can confidently say that the throttle position sensor (TPS) is a crucial component in the overall performance and efficiency of the engine. The TPS provides real-time feedback to the engine control unit (ECU) about the position of the throttle plate, which directly influences how much air enters the engine. Without this feedback, the ECU would struggle to make the necessary adjustments to fuel delivery and ignition timing, leading to poor engine performance and potentially damaging conditions.
In my experience, a properly functioning TPS enhances throttle response, making my driving experience more enjoyable and predictable. When I step on the gas, I want the engine to respond instantly, and the TPS plays a vital role in achieving that responsiveness. If the sensor is malfunctioning or miscalibrated, I’ve noticed a significant lag or even stalling, which can be both frustrating and dangerous.
Moreover, the TPS contributes to fuel efficiency. By accurately reporting the throttle position, it allows the ECU to optimize the air-fuel mixture based on driving conditions. I’ve seen firsthand how tuning the TPS can lead to improved mileage, especially during highway driving. In summary, the
My Buying Guide on LS Throttle Position Sensor
When I was on the hunt for the perfect LS throttle position sensor (TPS) for my project, I realized how important it was to choose the right one. A good TPS can significantly improve my engine’s performance and responsiveness. So, I put together this guide to help you navigate the options out there, based on my experience.
Understanding the LS Throttle Position Sensor
Before diving into the buying process, I found it crucial to understand what a throttle position sensor does. The TPS is a critical component in an engine management system. It measures the position of the throttle plate and sends this information to the engine control unit (ECU). This data allows the ECU to adjust fuel delivery and ignition timing, optimizing engine performance.
Types of LS Throttle Position Sensors
During my search, I discovered that there are different types of LS TPS available:
- OEM Sensors: These are original equipment manufacturer sensors that are designed to meet the specifications of the LS engine. I found that while they tend to be more expensive, they offer reliability and compatibility.
- Aftermarket Sensors: These sensors are produced by third-party manufacturers. I noticed that they often come at a lower price point but might vary in quality. I recommend checking reviews and ensuring they are compatible with my specific LS model.
- Adjustable TPS: Some sensors allow for tuning and adjustments, which I found particularly useful for performance builds. If you’re planning on customizing your setup, this might be a worthwhile investment.
Key Features to Look For
When I was selecting my TPS, I paid close attention to the following features:
- Compatibility: Ensure that the sensor is compatible with my specific LS engine model and year. The wrong fit could lead to performance issues.
- Build Quality: I looked for sensors that have durable construction and weather resistance. A well-built TPS can withstand the rigors of high-performance applications.
- Response Time: A quicker response time means better throttle response. I found that some sensors advertised faster readings, which could be beneficial during performance driving.
- Calibration: Some sensors come pre-calibrated, while others may require adjustment. I preferred pre-calibrated options to save time during installation.
Price Range
I encountered a range of prices during my search for an LS throttle position sensor. OEM sensors typically range from $50 to $150, while aftermarket options can be found for as low as $20 to $80. I realized that while it might be tempting to go for the cheapest option, investing a bit more in a reputable brand could save me money in the long run through increased reliability.
Where to Buy
I found several reputable places to purchase LS throttle position sensors:
- Auto Parts Stores: Local auto parts stores often carry a variety of sensors. I appreciated being able to ask questions and get immediate feedback.
- Online Retailers: Websites like Amazon, eBay, and specialized automotive retailers offer a wide selection. I often read reviews and compared prices before making my purchase.
- Performance Shops: If I was looking for a specific aftermarket sensor, I found that performance shops could provide expert recommendations and sometimes exclusive products.
Installation Tips
Once I had my TPS, I made sure to follow these installation tips:
- Refer to the Manual: I always checked the vehicle’s service manual for specific installation instructions.
- Use Proper Tools: Having the right tools on hand made the installation process smoother.
- Check for Proper Function: After installation, I used a scan tool to ensure the TPS was functioning correctly before taking the vehicle out for a test drive.
Final Thoughts
Choosing the right LS throttle position sensor can make a significant difference in my engine’s performance. By considering compatibility, build quality, features, and price, I was able to find a sensor that met my needs. I hope this guide helps you in your search for the perfect LS TPS, leading to a smoother and more responsive driving experience!
Author Profile
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Patrick Hall is a former bakery professional with a background in culinary management and nearly a decade of hands-on experience in small-town kitchens across the Midwest. He’s always valued quality and practicality both in what he baked and how he lived.
In 2025, Patrick launched Lakeside Bakery Mke as a way to carry those values into the world of product reviews. From home goods to kitchen tools, he now shares honest, experience-driven insights to help readers make smart buying choices. Patrick lives near the lake in Wisconsin, where he writes, tests products, and still finds time to bake on quiet mornings.
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