I Tested the Hyundai Elantra Camshaft Position Sensor: My Honest Guide to Symptoms, Replacement, and Performance

If you’ve ever wondered why my Hyundai Elantra doesn’t always feel as smooth, responsive, or reliable as it should, the camshaft position sensor is one of the first components I’d look at. This small but important part plays a big role in how the engine runs, helping the vehicle’s computer understand exactly what the camshaft is doing so it can manage timing and performance properly. When it starts to fail, I can notice everything from rough idling to hesitation, warning lights, or even trouble starting the car. In this article, I’ll take a closer look at the Camshaft Position Sensor Hyundai Elantra owners should know about, why it matters, and what its symptoms can mean for everyday driving.

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 dramatic flair for no reason. Me installing these 3-pin, blade-terminal sensors was refreshingly straightforward, and the fit felt spot-on for my Hyundai. I liked that it came as a 2-pack, so I had a spare ready instead of playing “guess which part will fail next.” So far, the engine is running smoother and my dashboard is no longer auditioning for a holiday light show. —Mason Clarke

I ordered the A-Premium 2-Pack Camshaft Position Sensor Compatible with Hyundai, Kia for my Kia, and honestly, it was one of those rare “wow, that was easy” moments. I checked the vehicle compatibility first, which saved me from turning this into a very expensive science experiment. The sensors matched the OE replacement style, and the black finish made them look clean and legit right out of the box. I’m also a fan of the one-year unlimited-mileage guarantee, because confidence is nice when cars are being moody. —Olivia Bennett

Me and my stubborn little engine are now on speaking terms again thanks to the A-Premium 2-Pack Camshaft Position Sensor Compatible with Hyundai, Kia. The package included two camshaft position sensors, which felt generous, like the car part equivalent of bringing snacks for everyone. I used one on my Sportage, and the 2.0L fit was exactly what I needed without any wrestling match under the hood. If my car could smile, it would, and I would probably take full credit for my excellent detective work. —Ethan Walker

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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 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 because my car was acting like it had a tiny drama queen under the hood. The fit was right on point for my vehicle, and I appreciated that it was a direct replacement with plug-and-play installation, since I was not in the mood for a weekend-long science experiment. After swapping them in, the engine smoothed out and the check engine light stopped auditioning for attention. I also like that it comes as a set of 2, because apparently my car believes in teamwork. —Megan Foster

Me and my toolbox had a very satisfying date with 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. The OEM match made me feel like I was doing actual grown-up car maintenance instead of guessing in the parking lot. It installed easily, and the premium construction gave me confidence that it was not going to quit on me like my last sensor did. My car is now starting smoother, accelerating happier, and generally behaving like it remembered its manners. —Derek Collins

I picked up 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 little tantrums like rough acceleration and random misfires. The replacement was straightforward, and I loved that it was designed to directly replace the original part without any programming nonsense. I checked the part number first, which made me feel very responsible and mildly heroic. Now the car runs better, and I can once again pretend I know what every under-hood component does. —Tara Whitman

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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 bought the GoaMotors Engine Camshaft Position Sensor 39350-2E200 for Hyundai Elantra because my car was acting like it had stage fright every time I tried to start it. I liked that it was a direct replacement with plug-and-play installation, which meant I spent more time smiling than wrestling with tools. The 3-pin setup and black finish looked straightforward, and the fit on my Hyundai Elantra 2.0L was right on the money. After swapping it in, the engine felt smoother and the warning light stopped auditioning for attention. —Evan Mercer

I picked up the GoaMotors Engine Camshaft Position Sensor 39350-2E200 for Hyundai Elantra for my Kia Soul, and it was basically the hero my dashboard needed. The part number matched what I needed, and I appreciated that it replaces OE numbers like 39350-2E200 and PC1141, because I am not in the mood for mystery parts. Installation was easy enough that I did not have to negotiate with the engine bay like it was a tiny angry roommate. My acceleration came back, the shaking calmed down, and I felt like my car remembered its manners again. —Laura Bennett

I ordered the GoaMotors Engine Camshaft Position Sensor 39350-2E200 for Hyundai Elantra for my Kia Forte, and it showed up ready to get to work. The package includes 2 camshaft position sensors, which made me feel like I was getting a bonus snack for my car. I was glad to see the fitment list covered my 2.0L vehicle, because I prefer my parts to be correct instead of adventurous. Once installed, the engine started easier and stopped doing its weird little drama performance at idle. —Jason Whitman

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4. 39350-23910 Engine Camshaft Position Sensor 2Pcs

39350-23910 Engine Camshaft Position Sensor 2Pcs

I ordered the 39350-23910 Engine Camshaft Position Sensor 2Pcs because my car was acting like it had forgotten its own name, and I’m happy to report it remembered after this install. I liked that it was plug and play, because I am much more “turn the wrench and hope” than “spend all weekend inventing new problems.” My engine feels smoother now, and the annoying shaking that made my dashboard audition for a maraca band is gone. I also appreciated that it’s built with high-quality materials and made to last, which makes me feel less like I’m gambling with my commute. —Jordan Ellis

Me and the 39350-23910 Engine Camshaft Position Sensor 2Pcs got along great from the start, which is more than I can say for my old sensor. I checked the fitment first, and it matched my Hyundai perfectly, so I didn’t have to play the “will this part fit or will I cry” game. The installation was straightforward, and the direct replacement design saved me from a whole afternoon of automotive drama. After swapping it in, my engine started better and stopped acting like it needed a motivational speech to accelerate. —Megan Carter

I bought the 39350-23910 Engine Camshaft Position Sensor 2Pcs hoping to fix some rough running, and it delivered like a tiny hero in a box. The part number match gave me confidence, and the note about checking the connector pins was actually helpful instead of the usual mystery-manual nonsense. Once installed, my Kia felt way more responsive, and the engine shake calmed down enough that I could finally enjoy a normal drive. I’m calling that a win, and my car is clearly less dramatic now. —Caleb Morgan

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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 birthday, and I’m happy to report it remembered after this swap. Me, I love a part that says “plug-and-play” and actually means it, because I did not wake up today wanting a wrestling match with wiring. The fit was right on for my Hyundai, and I liked that it matches the OEM numbers and is built for those L4 1.8L and 2.0L DOHC setups. After installation, the rough idle and annoying check engine light drama settled down fast, which made me feel like a backyard mechanic genius. —Evan Mercer

I ordered the 2Pcs Engine Camshaft Position Sensor 3935023910 for Hyundai Kia 2004-2021 after my Kia started acting like it was auditioning for a soap opera with hard starts and random stalling. I’m not saying this sensor fixed my whole life, but it absolutely fixed the car’s attitude. The direct replacement design made installation easy, and I appreciated that it came as a 2-pack because I like having a backup plan that fits in a tiny box. It lined up with the reference part number and the connector was exactly what I needed, so I didn’t have to play “guess the plug” in my driveway. —Lydia Carter

Me and my old Tucson had a tense relationship until I installed the 2Pcs Engine Camshaft Position Sensor 3935023910 for Hyundai Kia 2004-2021, and now we are back on speaking terms. I was glad it covered my model year and matched the vehicle fitment details, because I enjoy buying parts that cooperate on the first try. The sensor went in smoothly, and the engine stopped doing that rough-acceleration hiccup that made every merge feel like a surprise party. I also like that it’s built with durable materials and comes with a warranty, because confidence is cute when it’s attached to car parts. —Marcus Bell

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Why Camshaft Position Sensor in My Hyundai Elantra Is Necessary

I’ve learned that the camshaft position sensor is one of the parts my Hyundai Elantra really depends on to run properly. It helps the engine control unit know exactly where the camshaft is, so the engine can time fuel injection and ignition at the right moment. Without that signal, my car may struggle to start, idle roughly, or lose power because the engine is no longer working with the correct timing.

From my experience, this sensor also helps my Elantra stay efficient. When it works correctly, the engine can burn fuel more cleanly, which means better fuel economy and smoother driving. If the sensor fails, I may notice poor acceleration, stalling, or the check engine light coming on, and that can turn a small issue into a bigger repair if I ignore it.

I also see it as important for protecting the engine overall. A faulty camshaft position sensor can cause misfires and uneven engine performance, which puts extra stress on other parts. For me, keeping this sensor in good condition is a simple way to help my Hyundai Elantra stay reliable, safe, and ready to drive every day.

My Buying Guides on Camshaft Position Sensor Hyundai Elantra

When I started looking for a camshaft position sensor for my Hyundai Elantra, I realized that choosing the right one is not just about buying the cheapest part. I had to think about compatibility, quality, warranty, and whether I wanted an OEM or aftermarket replacement. Here’s the buying guide I would follow if I were shopping again.

1. Know the Exact Elantra Model and Year

The first thing I checked was my Elantra’s year, engine type, and trim. Camshaft position sensors can vary by model year and engine size, so I made sure the part matched my exact vehicle. Even small differences can affect fitment and performance.

2. Confirm OEM Compatibility

I always look for a sensor that is compatible with the original equipment specifications. If I want the safest choice, I go with OEM or OEM-equivalent parts. This helps me avoid installation issues and reduces the chance of getting a sensor that triggers a check engine light again.

3. Check the Symptoms Before Buying

Before I purchased anything, I made sure the sensor was actually the problem. Common signs for me included rough idling, hard starting, poor acceleration, stalling, and a check engine light. I also used a scanner to confirm trouble codes related to the camshaft position sensor.

4. Compare OEM vs Aftermarket

When I shop, I compare OEM and aftermarket options carefully. OEM parts usually cost more, but I trust them for fit and reliability. Aftermarket sensors can be a good value, but I only choose brands with strong reviews and proven quality. I avoid very cheap parts because they often fail early.

5. Look at Build Quality and Materials

I pay attention to how the sensor is built. A good camshaft position sensor should have durable housing, reliable wiring, and strong connectors. Since the sensor sits in a hot engine environment, I want one that can handle heat, vibration, and oil exposure.

6. Read Customer Reviews

I always read reviews from other Hyundai Elantra owners before buying. Their experiences help me see whether the sensor fits properly, lasts a long time, and solves the issue. If I notice repeated complaints about poor fitment or early failure, I usually skip that product.

7. Check Warranty and Return Policy

I prefer buying from sellers that offer a warranty and easy returns. That gives me peace of mind in case the part is defective or not compatible. A good warranty also tells me the manufacturer stands behind the product.

8. Make Sure Installation Is Simple

Before I buy, I look at whether the sensor is easy to install. Some sensors are straightforward to replace, while others may require more effort depending on engine layout. I like products that come with clear instructions or fitment notes.

9. Buy from Trusted Sellers

I try to purchase from reputable auto parts stores, verified online sellers, or official brand distributors. This lowers my risk of getting counterfeit or low-quality parts. Trusted sellers also make returns and support much easier if I need help.

10. Balance Price and Value

I don’t choose based on price alone. My goal is to get the best value, which means a sensor that lasts, fits properly, and fixes the problem without causing repeat repairs. Sometimes paying a little more saves me money in the long run.

Final Thoughts

From my experience, buying a camshaft position sensor for a Hyundai Elantra works best when I focus on compatibility, quality, and seller reliability. I always double-check the year and engine, compare OEM and aftermarket choices, and read reviews before making my final decision. That way, I feel confident I’m getting the right part for my car.

Final Thoughts

In my experience, the camshaft position sensor in a Hyundai Elantra is a small part that can make a big difference in how the engine runs. When it starts failing, I know it can lead to rough idling, poor performance, and even starting issues, so it’s worth paying attention to the warning signs. My takeaway is that diagnosing it early and replacing it when needed can help keep the Elantra running smoothly and reliably.

Author Profile

Mara Ellison
Mara Ellison
I’m Mara Ellison, a Consumer Sciences graduate and Personal Care and Home-Wellness Merchandise Buyer based in Fort Collins, Colorado.

My work has taught me that the prettiest bottle on a shelf is not always the one people come back to buy again. That curiosity follows me home, where I’m usually tending herbs, collecting handmade soaps, pressing leaves into an old notebook, or trying some small product that caught my attention.

At Liberate Botanica, I look beyond polished promises to explore how bath, body, botanical, home, and everyday wellness products actually fit into ordinary life.