7 Best 2018 Subaru Impreza Camshaft Position Sensors: A Buyer’s Guide
Experiencing a hesitant engine, a dreaded “Check Engine” light, or rough idling in your 2018 Subaru Impreza? It might just be a failing camshaft position sensor. This small but mighty component plays a crucial role in your engine’s performance, ensuring precise timing for ignition and fuel injection. When it goes bad, your Impreza can feel sluggish, consume more fuel, or even refuse to start.
Finding the right replacement can feel like a scavenger hunt, especially with so many options out there. We’ve dug deep to review some of the top-rated sensors available, focusing on fitment, performance, and user satisfaction. Our goal is to help you pick the perfect 2018 Subaru Impreza camshaft position sensor to get your ride running smoothly again.
Before diving into the reviews, remember that while many sensors look similar and share OE reference numbers, exact vehicle compatibility is key. Always double-check the fitment details for your specific 2018 Subaru Impreza model year before making a purchase. Let’s explore your options!
1. Camshaft Position Sensor – Compatible with 2017-2023 Subaru…
This camshaft position sensor stands out for its broad compatibility, explicitly covering the 2018 Subaru Impreza and newer models up to 2023. It’s designed to be an OE quality replacement, meaning it aims to meet or even exceed the standards of the original part installed in your car. If you’re looking for a straightforward, reliable replacement that you know will fit, this one is definitely worth a look.
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Key Features:
- Directly compatible with 2018-2023 Subaru Impreza models.
- Also fits 2017 Impreza (from 4/01/2017 only).
- Designed to OE (Original Equipment) quality standards.
- Ensures proper fit and function for reliable engine performance.
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Pros:
- Explicitly states compatibility with 2018 Subaru Impreza.
- OE quality promises reliable performance.
- Wide range of model year compatibility makes it versatile.
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Cons:
- Specific 2017 fitment date (after 4/01/2017) requires careful checking.
- May not come with installation instructions (common for this type of part).
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User Impressions:
Customers generally appreciate the “plug and play” nature of this sensor, noting that it resolves their check engine light issues and restores smooth engine operation. Many found it to be a cost-effective solution compared to dealership parts, with good build quality.
2. A-Premium Engine Crankshaft Position Sensor Compatible with…
While this is an A-Premium brand sensor, it’s important to note right off the bat that this specific product is an Engine Crankshaft Position Sensor, not a Camshaft Position Sensor, which is our primary focus. However, given that it’s often confused with the camshaft sensor and is on our list, we’ll review it for what it is. This sensor boasts broad compatibility with various Subaru models, including the Impreza from 2015-2022, and aims to be an OE replacement, promising reliability and a straightforward installation process for its intended application.
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Key Features:
- Compatible with Subaru Impreza 2015-2022 (as a crankshaft sensor).
- Direct OE Replacement with 3 pins and blade terminal type.
- Backed by a one-year unlimited-mileage guarantee.
- Includes essential reference numbers for cross-checking compatibility.
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Pros:
- Good compatibility with a wide range of Subaru models and years for a crankshaft sensor.
- Comes with a confidence-inspiring one-year warranty.
- Designed for direct, plug-and-play fitment.
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Cons:
- This is a Crankshaft Position Sensor, NOT a Camshaft Position Sensor.
- Will not solve issues specifically related to a failing camshaft position sensor.
- User needs to ensure they are replacing the correct part.
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User Impressions:
For those needing a crankshaft sensor, users report that this A-Premium sensor performs well, restoring proper engine function and clearing related error codes. They appreciate the quality for the price and the ease of installation.
3. A-Premium Engine Camshaft Position Sensor Compatible with…
This A-Premium Camshaft Position Sensor is designed for a variety of Subaru and Scion models, focusing on earlier generations of the Impreza. While it is indeed a camshaft sensor, its listed compatibility for the Impreza is from 2011-2016. It highlights the benefits of replacing the sensor to improve engine performance, maintain precise ignition timing, and ensure smooth acceleration.
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Key Features:
- Compatible with Subaru Impreza 2011-2016 H4 2.0L (as a camshaft sensor).
- Designed to replace the original part for improved engine performance.
- 3-pin blade terminal for direct fitment.
- Comes with a one-year unlimited-mileage guarantee.
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Pros:
- A legitimate camshaft position sensor.
- Backed by a one-year warranty, offering peace of mind.
- Aims to restore stable engine operation and precise ignition timing.
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Cons:
- Does NOT fit the 2018 Subaru Impreza. Its Impreza compatibility is limited to 2011-2016 models.
- Could lead to incorrect purchase if not carefully checked.
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User Impressions:
Customers who own the compatible older models praise this sensor for resolving their engine issues, such as rough idling or starting problems. They find it to be a reliable and affordable alternative to OEM parts for their specific vehicles.
4. Engine Camshaft Position Sensor 22056AA270 Compatible with…
This camshaft position sensor, identified by the OE reference number 22056AA270, emphasizes its function in tracking camshaft rotation for optimal spark timing and fuel injection. It’s pitched as a direct replacement, promising plug-and-play installation without the need for extensive adjustments. Its premium construction with industrial-grade materials is highlighted for durability.
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Key Features:
- OE Reference Number: 22056AA270 (and others like PC969, 5S13512).
- Designed for direct, plug-and-play replacement.
- Tracks camshaft rotation for optimal spark timing and fuel injection.
- Premium construction for durability and extended service life.
- Includes an 18-month worry-free warranty.
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Pros:
- Comes with a generous 18-month warranty.
- Clear explanation of the sensor’s function and benefits.
- Aims for easy, direct replacement.
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Cons:
- Does NOT fit the 2018 Subaru Impreza. Its listed compatibility for Impreza is 2011-2016.
- Despite being a camshaft sensor, it’s not for our target vehicle year.
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User Impressions:
Buyers of this sensor for the older, compatible Subaru models generally report positive experiences, noting that it effectively addresses their engine performance issues. They appreciate the straightforward installation and the perceived quality of the build.
5. HiSport 22056AA270 Engine Camshaft Position Sensor…
The HiSport Engine Camshaft Position Sensor also uses the common OE number 22056AA270 and is marketed as a high-quality, lightweight component for various Subaru and Scion models. Like others with this OE number, its primary fitment tends to be for earlier model years. While it lists “Subaru Impreza,” it doesn’t specify which years, requiring the buyer to meticulously check compatibility.
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Key Features:
- Matches OE numbers 22056AA270, PC969, etc.
- Made of high-quality, lightweight material for durability.
- Designed as a replacement for engine camshaft position sensors.
- One sensor included in the package.
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Pros:
- Uses common OE reference numbers, making it easier to cross-reference.
- Claimed high-quality construction.
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Cons:
- Unlikely to fit the 2018 Subaru Impreza based on the common application of the 22056AA270 OE number (typically 2011-2016 Impreza).
- Lack of specific year compatibility in the product title/description makes checking crucial.
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User Impressions:
Reviews for this type of OE replacement sensor often highlight its affordability and the fact that it resolves common check engine light codes. Customers emphasize the importance of verifying the OE number to ensure it matches their vehicle’s original part.
6. Engine Cam Camshaft Position Sensor Replacement for 86 BRZ…
This sensor is marketed as a camshaft position sensor replacement, particularly for the Scion FR-S and Subaru BRZ (2013-2016 models). It dives deep into the sensor’s critical role in engine performance, monitoring camshaft position for the ECU to regulate ignition timing and fuel injection. It also highlights rigorous testing for reliability.
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Key Features:
- Replaces part numbers PC969, 5S13512, 22056AA270, SU14920.
- Undergoes 100% environmental, endurance, and end-of-line testing.
- Advanced circuitry for protection and accuracy.
- Crucial for monitoring camshaft position to ensure optimal engine performance.
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Pros:
- Thorough explanation of the sensor’s function and importance.
- Emphasizes rigorous testing for product reliability.
- Designed to prevent common symptoms of failure like misfires or poor acceleration.
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Cons:
- Does NOT fit any Subaru Impreza model, let alone a 2018 Impreza. Its compatibility is explicitly for Scion FR-S and Subaru BRZ.
- Completely irrelevant for someone searching for a 2018 Subaru Impreza camshaft position sensor.
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User Impressions:
Owners of Scion FR-S and Subaru BRZ models needing a replacement for these specific vehicles tend to find this sensor to be a well-performing and reliable option. They appreciate the detailed product description regarding its function and quality testing.
7. HXYBBGS 4PCS 22056AA270 Engine Camshaft Position Sensor…
Unlike the others, this offering from HXYBBGS provides a pack of four camshaft position sensors, all referencing the 22056AA270 OE number. This could be incredibly useful if your vehicle requires multiple sensors or if you prefer to have spares on hand. It emphasizes high-quality materials and professional testing to meet or exceed OE standards, promising stable and reliable performance.
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Key Features:
- Includes 4 Engine Camshaft Position Sensors.
- References OE numbers like 22056AA270, PC969, etc.
- Manufactured with high-quality materials and professional testing.
- Promises stable and reliable performance.
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Pros:
- Great value if you need multiple sensors (e.g., if replacing all cam sensors or have another compatible vehicle).
- Claims to meet or exceed OE standards.
- Offers customer after-sales service.
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Cons:
- Does NOT fit the 2018 Subaru Impreza. Its listed Impreza compatibility is 2011-2016.
- Buying a 4-pack might be excessive if you only need one sensor for a single vehicle.
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User Impressions:
Customers purchasing this multi-pack for compatible vehicles often highlight the excellent value for money. They generally find the sensors to be functional and effective in resolving their engine codes, making it a convenient option for bulk replacement or future needs.
Frequently Asked Questions (FAQs)
Q1: What does a camshaft position sensor do in my 2018 Subaru Impreza?
A: The camshaft position sensor monitors the rotational speed and position of your engine’s camshaft. This data is sent to the Engine Control Unit (ECU), which uses it, along with information from the crankshaft sensor, to precisely control ignition timing and fuel injection. It’s crucial for smooth engine operation and optimal performance.
Q2: What are the common symptoms of a failing 2018 Subaru Impreza camshaft position sensor?
A: Common symptoms include a lit “Check Engine” light on your dashboard, difficulty starting your car, rough idling, engine misfires, reduced fuel economy, decreased engine power, or even your engine stalling unexpectedly while driving. You might also notice poor acceleration.
Q3: Can I replace the camshaft position sensor myself in my 2018 Subaru Impreza?
A: For many, replacing the camshaft position sensor is a moderately DIY-friendly task. It usually involves locating the sensor, unplugging it, unbolting it, and installing the new one. However, the exact location and ease of access can vary by engine type and model. Always consult your vehicle’s service manual or a reliable online guide for precise instructions.
Q4: Is there a difference between a camshaft and a crankshaft position sensor?
A: Yes, they are different but work together! The camshaft position sensor (CMP) tracks the camshaft, which controls valve timing. The crankshaft position sensor (CKP) monitors the crankshaft, which controls piston movement. The ECU uses both to determine the exact position of the engine’s rotating parts for precise ignition and fuel delivery. While often confused, they perform distinct roles.
Q5: How do I know which camshaft position sensor is right for my 2018 Subaru Impreza?
A: The most important step is to confirm the exact year, make, and model of your vehicle. Look for sensors that explicitly list compatibility with the “2018 Subaru Impreza.” You can also cross-reference the OEM (Original Equipment Manufacturer) part number found on your existing sensor. If in doubt, consult a professional mechanic or your Subaru dealership.
Q6: How long do camshaft position sensors typically last?
A: Camshaft position sensors are generally durable parts, but their lifespan can vary. They can last well over 100,000 miles, but like any electronic component exposed to engine heat and vibrations, they can eventually fail. There isn’t a strict replacement interval; they’re usually replaced when symptoms of failure appear.
Q7: Will replacing my camshaft position sensor clear the “Check Engine” light?
A: In most cases, if a faulty camshaft position sensor was the cause of your “Check Engine” light, replacing it should resolve the issue and the light will turn off after a few drive cycles. Sometimes, you might need to manually clear the fault code using an OBD-II scanner, especially if the light doesn’t extinguish on its own.
Conclusion
Finding the right 2018 Subaru Impreza camshaft position sensor is crucial for keeping your vehicle in top shape. While our review highlighted a few options that, despite being listed, aren’t actually compatible with the 2018 Impreza (a common issue in the aftermarket), Product 1 stands out as a clear fit.
Always remember the golden rule: double-check compatibility with your specific vehicle’s year and model before purchasing. A properly functioning camshaft position sensor ensures your Impreza runs efficiently, maintains good fuel economy, and provides the smooth, reliable performance you expect. Don’t let a small part keep your Subaru from performing its best!
