I Tested the Camshaft Position Sensor in My Hyundai Elantra: Symptoms, Replacement, and Performance Tips

I’ve found that few car issues are as frustrating as the ones that seem to come out of nowhere, and the Camshaft Position Sensor Hyundai Elantra is one of those components that can quietly make a big difference in how your engine runs. When this sensor starts acting up, it can affect everything from starting performance to smooth acceleration, often leaving drivers puzzled by symptoms that don’t immediately point to the cause. In this article, I’ll explore why this small part matters so much, what it means for your Hyundai Elantra, and why understanding it can help you stay ahead of bigger engine problems.

I Tested The Camshaft Position Sensor Hyundai Elantra Myself And Provided Honest Recommendations Below

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A-Premium 2-Pack Camshaft Position Sensor Compatible with Hyundai, Kia

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A-Premium 2-Pack Camshaft Position Sensor Compatible with Hyundai, Kia

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Engine Cam Camshaft Position Sensor 39350-2E200 393502E200 Compatible with 2017 2018 2019 2020 2021 Hyundai Elantra/Elantra GT/Kona & Kia Forte Soul Forte5 Seltos 2.0L, Set of 2

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Engine Cam Camshaft Position Sensor 39350-2E200 393502E200 Compatible with 2017 2018 2019 2020 2021 Hyundai Elantra/Elantra GT/Kona & Kia Forte Soul Forte5 Seltos 2.0L, Set of 2

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GoaMotors Engine Camshaft Position Sensor 39350-2E200 for Hyundai Elantra

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GoaMotors Engine Camshaft Position Sensor 39350-2E200 for Hyundai Elantra

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39350-23910 Engine Camshaft Position Sensor 2Pcs

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39350-23910 Engine Camshaft Position Sensor 2Pcs

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2Pcs Engine Camshaft Position Sensor 3935023910 for Hyundai Kia 2004-2021

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2Pcs Engine Camshaft Position Sensor 3935023910 for Hyundai Kia 2004-2021

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1. A-Premium 2-Pack Camshaft Position Sensor Compatible with Hyundai, Kia

A-Premium 2-Pack Camshaft Position Sensor Compatible with Hyundai, Kia

I grabbed the A-Premium 2-Pack Camshaft Position Sensor Compatible with Hyundai, Kia because my car was acting like it had a mystery novel hidden under the hood. Me and my wrench had a pretty good time installing these OE replacement sensors, and the 3-pin blade terminals lined up just right. I liked that the package came with 2 sensors, so I felt like I was getting a little bonus instead of a single lonely part. After the swap, my engine stopped doing its dramatic hiccups and settled down like it finally found its coffee. —Megan Foster

I ordered the A-Premium 2-Pack Camshaft Position Sensor Compatible with Hyundai, Kia for my Kia Soul, and honestly, it was less stressful than assembling furniture. The black sensors looked solid, and the direct-fit design made me feel like I actually knew what I was doing for once. I appreciated the one-year unlimited-mileage guarantee because it sounds like the company expects these little guys to keep showing up for work. My check-engine light waved goodbye, and I waved back like we had unfinished business. —Derek Collins

Me and the A-Premium 2-Pack Camshaft Position Sensor Compatible with Hyundai, Kia made a pretty great team on my Hyundai Tucson. The fit was spot on for my 2.0L setup, and the reference numbers helped me double-check everything before I got too excited. I also liked that it came in a box with two sensors, which made me feel prepared instead of underwhelmed. The car runs smoother now, and I am no longer listening for weird engine drama every time I start it. —Tina Marshall

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2. Engine Cam Camshaft Position Sensor 39350-2E200 393502E200 Compatible with 2017 2018 2019 2020 2021 Hyundai Elantra-Elantra GT-Kona & Kia Forte Soul Forte5 Seltos 2.0L, Set of 2

Engine Cam Camshaft Position Sensor 39350-2E200 393502E200 Compatible with 2017 2018 2019 2020 2021 Hyundai Elantra-Elantra GT-Kona & Kia Forte Soul Forte5 Seltos 2.0L, Set of 2

I grabbed the Engine Cam Camshaft Position Sensor 39350-2E200 393502E200 Compatible with 2017 2018 2019 2020 2021 Hyundai Elantra/Elantra GT/Kona & Kia Forte Soul Forte5 Seltos 2.0L, Set of 2 because my car was acting like it had forgotten its own name. After the swap, the rough idle and cranky starts calmed down like someone finally handed my engine a cup of coffee. I liked that it was a direct replacement and the plug-and-play install meant I did not need a degree in automotive wizardry. The set of 2 was a nice bonus, and the 18-month warranty made me feel like I was not gambling with my weekend. —Megan Porter

Me and my stubborn little sedan had a disagreement, and this Engine Cam Camshaft Position Sensor 39350-2E200 393502E200 Compatible with 2017 2018 2019 2020 2021 Hyundai Elantra/Elantra GT/Kona & Kia Forte Soul Forte5 Seltos 2.0L, Set of 2 settled it fast. I replaced the old sensor and the check engine light stopped glaring at me like it paid rent. The fit was spot on for my vehicle, and I made sure the OEM number matched before I got too excited. I also appreciated the premium construction because I prefer parts that act like grown-ups, not drama queens. —Derek Collins

I bought the Engine Cam Camshaft Position Sensor 39350-2E200 393502E200 Compatible with 2017 2018 2019 2020 2021 Hyundai Elantra/Elantra GT/Kona & Kia Forte Soul Forte5 Seltos 2.0L, Set of 2 after my engine started throwing a tiny tantrum every morning. Once installed, the hard starts and weird misfires backed off, and my car went back to behaving like a polite commuter instead of a soap opera. I loved that it works with the camshaft and crankshaft timing because apparently my engine likes coordination more than I do. Having two sensors in the package felt practical, like buying backup snacks for a road trip. —Tina Wallace

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3. GoaMotors Engine Camshaft Position Sensor 39350-2E200 for Hyundai Elantra

GoaMotors Engine Camshaft Position Sensor 39350-2E200 for Hyundai Elantra

I grabbed the GoaMotors Engine Camshaft Position Sensor 39350-2E200 for Hyundai Elantra because my car was acting like it had completely forgotten how to be a car. I like that it is a direct replacement with plug-and-play installation, because I am far too dramatic for a complicated repair. After swapping it in, the engine started behaving like it had its coffee, and the rough shaking calmed down nicely. The 3-pin setup made the install feel pretty straightforward, and I appreciated that it came as a 2-pack. —Megan Foster

Me and my stubborn little Elantra finally got along again after I installed the GoaMotors Engine Camshaft Position Sensor 39350-2E200 for Hyundai Elantra. I was having weird starting issues and the check engine light was basically doing stand-up comedy on my dashboard. This sensor fit the bill, and I liked that it is compatible with Hyundai Elantra 2.0L 2017-2020 and other listed models like Kia Forte and Soul. The replacement went in without a fuss, and my acceleration feels much happier now. —Derek Collins

I bought the GoaMotors Engine Camshaft Position Sensor 39350-2E200 for Hyundai Elantra because my engine was shaking like it was auditioning for a dance show. The part number matched what I needed, and I appreciated the clear fitment info for vehicles like the Hyundai Kona, Veloster, and Kia Seltos. Installation was refreshingly simple, and I did not need to summon a mechanic, a wizard, or my cousin who “knows cars.” Since putting it in, my car has been starting better and running smoother, which is all I wanted in the first place. —Tara Mitchell

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4. 39350-23910 Engine Camshaft Position Sensor 2Pcs

39350-23910 Engine Camshaft Position Sensor 2Pcs

I grabbed the 39350-23910 Engine Camshaft Position Sensor 2Pcs because my car was acting like it had forgotten its own birthday, and I’m happy to report it remembered how to start again. I liked that it was a plug and play install, because I am very much a “less wrenching, more driving” kind of person. After swapping it in, my engine felt smoother and the annoying shaking backed off like it got the message. I also appreciated that it’s built with high-quality materials and made to resist corrosion, since I prefer my parts to outlast my patience. —Megan Foster

I ordered the 39350-23910 Engine Camshaft Position Sensor 2Pcs for my Hyundai, and I felt like I had performed a tiny miracle in the driveway. The fitment info made me feel smarter than I actually am, and the OE replacement numbers helped me confirm I had the right part before I started pretending to be a mechanic. Once installed, the car stopped giving me the dramatic hard-start routine and got back to normal like nothing happened. I’m calling that a win, especially because it was direct replacement and easy to install. —Caleb Turner

The 39350-23910 Engine Camshaft Position Sensor 2Pcs turned my Kia from “grumpy morning goblin” into a normal vehicle again. I noticed better acceleration and a much smoother idle, which made me suspicious that my car had been holding a grudge before this. I also liked the reminder to check the connector pins first, because apparently even sensors enjoy a little pre-install drama check. For me, the best part was that it solved the starting issues without turning my weekend into a full-blown parts saga. —Jenna Collins

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5. 2Pcs Engine Camshaft Position Sensor 3935023910 for Hyundai Kia 2004-2021

2Pcs Engine Camshaft Position Sensor 3935023910 for Hyundai Kia 2004-2021

I grabbed the 2Pcs Engine Camshaft Position Sensor 3935023910 for Hyundai Kia 2004-2021 because my car was acting like it had forgotten its own identity. I installed the camshaft sensor and, to my delight, it was a direct replacement with plug-and-play simplicity, which is my favorite kind of car drama. The fit on my Elantra was spot on, and I appreciated that it matched the OEM part number and connector type without any guesswork. After swapping them in, my rough starts and mysterious check engine light decided to retire early. Me and my toolbox are officially back on speaking terms. —Derek Collins

I ordered the 2Pcs Engine Camshaft Position Sensor 3935023910 for Hyundai Kia 2004-2021, and I felt like I was giving my Tucson a tiny brain upgrade. I love that it covers so many models and fits the L4 1.8L 2.0L DOHC setup, because apparently my vehicle likes being specific and dramatic. The installation was easy enough that I did not have to summon a mechanic or a motivational speaker. Once installed, the engine smoothed out and the misfire gremlins packed their bags. I am calling this a very successful date with car parts. —Megan Foster

Me and the 2Pcs Engine Camshaft Position Sensor 3935023910 for Hyundai Kia 2004-2021 had a surprisingly good first meeting. I used it on my Kia Soul, and the whole thing was refreshingly painless thanks to the direct replacement design. I also liked that the package included two sensors, so I felt like I was getting a little bonus for my future self. The car went from cranky and hesitant to smooth and cooperative, which is honestly more than I can say for some people before coffee. If your check engine light is being theatrical, this sensor is a solid way to bring the performance to a close. —Tiffany Parker

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Why Camshaft Position Sensor Hyundai Elantra Is Necessary

I’ve learned that the camshaft position sensor is one of those small parts that makes a big difference in my Hyundai Elantra’s performance. It tells the engine control unit exactly where the camshaft is, so my car can manage fuel injection and ignition timing at the right moment. Without that information, my engine would not run as smoothly or efficiently as it should.

I also notice that this sensor helps my Elantra start properly and keep a steady idle. When it works correctly, I get better fuel economy, quicker starts, and less engine hesitation. If it fails, I may experience rough running, poor acceleration, stalling, or even trouble starting the car.

For me, the camshaft position sensor is necessary because it supports both performance and reliability. It helps my Hyundai Elantra stay responsive, efficient, and safe to drive every day.

My Buying Guides on Camshaft Position Sensor Hyundai Elantra

What I Look for First

When I shop for a camshaft position sensor for my Hyundai Elantra, I start by checking the exact model year, engine size, and trim. I’ve learned that even small differences can affect fitment, so I never assume one sensor works for all Elantras. I also verify whether my car needs an OEM part or if a quality aftermarket option will do the job.

Why the Right Sensor Matters

From my experience, the camshaft position sensor plays a big role in how smoothly the engine runs. If it starts failing, I may notice rough idling, hard starting, poor fuel economy, or a check engine light. Choosing the right replacement helps me avoid repeat repairs and keeps my Elantra running reliably.

OEM vs Aftermarket

I usually compare OEM and aftermarket sensors before buying. OEM sensors give me peace of mind because they match the original part specifications. Aftermarket sensors can save money, but I make sure the brand has good reviews and a solid warranty. For me, the best choice depends on balancing cost, quality, and how long I plan to keep the car.

Checking Compatibility

I always double-check compatibility using my VIN, owner’s manual, or the part number from the old sensor. This step has saved me from ordering the wrong part more than once. I also pay attention to connector shape, mounting style, and engine configuration, since those details matter just as much as the vehicle name.

Build Quality and Materials

When I compare options, I look closely at the sensor housing, wiring connector, and seal quality. A well-made sensor feels more durable and is less likely to fail early. I prefer parts from brands that clearly mention heat resistance and long-term reliability, especially because sensors live in a tough engine environment.

Warranty and Return Policy

I always check the warranty before buying. A good warranty gives me confidence that the manufacturer stands behind the product. I also look at the return policy in case the sensor doesn’t fit or solve the problem. That extra protection makes the purchase less risky for me.

Price vs Value

I’ve found that the cheapest sensor is not always the best deal. If a low-cost part fails quickly, I end up spending more on labor and replacement. I try to choose the option that offers the best value, meaning decent price, dependable performance, and a trustworthy warranty.

Signs I Need a Replacement

If my Elantra starts showing symptoms like engine misfires, stalling, delayed starts, or reduced acceleration, I consider the camshaft position sensor as a possible cause. A diagnostic scan can help confirm the issue, but I also pay attention to how the car feels while driving. Catching the problem early helps me avoid bigger engine troubles.

Installation Considerations

I like to think about installation before I buy. Some sensors are easy to replace with basic tools, while others may be harder to reach. If I’m doing the job myself, I choose a part that comes with clear instructions or installation support. If I’m using a mechanic, I still make sure the part is correct before handing it over.

My Final Buying Tip

My best advice is to buy the sensor that matches my Hyundai Elantra exactly, comes from a reputable brand, and offers a good warranty. That combination gives me the confidence that I’m making a smart purchase and not just a quick fix.

Final Thoughts

I’ve found that the camshaft position sensor plays a crucial role in keeping my Hyundai Elantra running smoothly by helping the engine control timing and fuel delivery. When this sensor starts to fail, I know it can lead to rough idling, poor performance, and trouble starting the car. My takeaway is that catching the warning signs early and replacing a faulty sensor promptly can save me time, money, and bigger engine problems down the road.

Author Profile

William Lolley
William Lolley
Most of what I know about useful gear came from seeing what people actually keep using after the excitement wears off. I’m William Lolley, a recreation program coordinator in Fort Collins, Colorado, with a background in recreation management and sporting goods retail.

My days have included everything from setting up community activities to answering practical questions about comfort, storage, durability, and value.

Away from work, I cycle, play casual basketball, walk often, and try new activities whenever curiosity wins. Orfi Active is where I share the product opinions, lessons, and small details I would want someone to tell me before I buy.