10 Best 2012 GMC Terrain Camshaft Position Sensors for Smooth Performance

Is your 2012 GMC Terrain acting a bit sluggish? Perhaps you’ve noticed the “Check Engine” light illuminated, or your engine seems to be having trouble starting or running smoothly. These could all be tell-tale signs of an issue with your vehicle’s camshaft position sensor. This tiny but mighty component plays a crucial role in your engine’s performance, ensuring everything runs like a well-oiled machine.

Finding the right replacement for a critical part like the 2012 GMC Terrain camshaft position sensor can feel like a daunting task, especially with so many options out there. But don’t sweat it! We’ve done the heavy lifting for you, sifting through the market to bring you a comprehensive guide to the top 10 camshaft position sensors specifically compatible with your 2012 GMC Terrain. We’ll break down what makes each one stand out, their pros and cons, and what real users are saying, so you can make an informed choice and get your Terrain back on the road with optimal engine performance.

Understanding Your 2012 GMC Terrain Camshaft Position Sensor

Before diving into the reviews, let’s quickly touch on why this sensor is so important. The camshaft position sensor, often working in tandem with the crankshaft position sensor, monitors the position and rotational speed of the camshaft. This data is then sent to your vehicle’s engine control unit (ECU), which uses it to precisely time fuel injection and ignition. If this sensor goes bad, your ECU gets inaccurate information, leading to common symptoms like a rough idle, engine misfires, reduced fuel efficiency, or even difficulty starting your vehicle. Replacing a faulty 2012 GMC Terrain camshaft position sensor is crucial for maintaining your car’s health and avoiding more serious engine problems down the line.


Our Top 10 Picks for Your 2012 GMC Terrain Camshaft Position Sensor

Let’s explore the best options available to get your GMC Terrain running optimally again!

VVT Intake+Exhaust Camshaft Position Actuator Set

VVT Intake+Exhaust Camshaft Position Actuator...

This comprehensive kit is more than just a camshaft position sensor replacement; it includes both intake and exhaust VVT (Variable Valve Timing) actuators, along with the camshaft and crankshaft position sensors. This makes it an excellent value if you suspect multiple related components might be failing or if you’re looking to refresh your entire timing system for better engine performance. It covers a wide range of GM vehicles, including the 2010-2017 GMC Terrain with 2.0L, 2.2L, and 2.4L engines.

  • Key Features:

    • Includes VVT Intake Solenoid, VVT Exhaust Solenoid, Camshaft Position Sensor, and Engine Crankshaft Position Sensor.
    • Wide compatibility with various Chevy, Buick, Pontiac, Saab, and Saturn models with 2.0L, 2.2L, 2.4L engines.
    • Direct replacement for multiple OEM part numbers (12655420, 12628347, 12577245, etc.).
    • Designed to restore optimal engine timing and performance.
  • Pros:

    • Excellent value for a complete VVT system and sensor refresh.
    • Broad vehicle compatibility.
    • Includes both camshaft and crankshaft sensors, addressing common related issues.
    • Direct fit for easy installation.
  • Cons:

    • Might be overkill if only the camshaft position sensor is faulty.
    • Installation of multiple components can be more involved.
  • User Impressions: Many users appreciate the completeness of this kit, reporting that it effectively resolved multiple engine issues at once. The overall quality is generally well-received, making it a popular choice for those looking for a comprehensive solution.

  • See it on Amazon here

2Pcs Camshaft Position Sensor Fit for Chevy Equinox Malibu

2Pcs Camshaft Position Sensor Fit for Chevy Equinox Malibu...

When it comes to replacing your 2012 GMC Terrain camshaft position sensor, sometimes a two-pack offers incredible value, ensuring you have a spare or can replace both sensors (if your vehicle has two) at once. This particular set is known for its wide compatibility and direct fit, making the replacement process as straightforward as possible. It’s designed to provide the ECU with accurate timing data, crucial for preventing common issues like hard starting or rough acceleration.

  • Key Features:

    • Includes two camshaft position sensors.
    • Compatible with 2010-2017 GMC Terrain and many other GM vehicles.
    • Direct replacement for OEM part numbers like 917-720, 12577245.
    • Plug-and-play design for easy installation.
    • Aims to resolve issues like hard starting, weak acceleration, and malfunction lights.
  • Pros:

    • Cost-effective two-pack.
    • Broad compatibility with popular GM models.
    • Simple plug-and-play installation.
    • Addresses common engine performance issues.
  • Cons:

    • Specific brand quality might vary compared to OEM.
    • Some users might only need one sensor.
  • User Impressions: Customers frequently commend this product for its ease of installation and immediate resolution of check engine light codes and performance issues. The value of getting two sensors for a competitive price is a big plus for many DIYers.

  • See it on Amazon here

Camshaft Position Sensor Compatible with Chevy Equinox

Camshaft Position Sensor Compatible with Chevy Equinox...

Very similar to the previous offering, this product also provides a convenient two-pack of camshaft position sensors, making it an excellent choice for a complete replacement or having a spare on hand. It emphasizes direct compatibility with your 2012 GMC Terrain, along with a host of other GM vehicles, ensuring a seamless installation. This sensor is specifically engineered to feed real-time camshaft rotation data to your ECU, which is vital for precise spark timing and fuel delivery.

  • Key Features:

    • Comes as a two-piece set of camshaft position sensors.
    • Extensive compatibility with 2010-2017 GMC Terrain and various Chevrolet, Buick, Pontiac, and Saturn models.
    • Matches multiple OEM part numbers (e.g., 917-720, 12577245).
    • Designed for direct replacement, offering plug-and-play functionality.
    • Aids in correcting engine problems like abnormal shaking and acceleration issues.
  • Pros:

    • Great value with two sensors included.
    • Wide range of compatible vehicles.
    • Hassle-free installation.
    • Aims to restore smooth engine operation effectively.
  • Cons:

    • Quality consistency may vary across aftermarket brands.
    • Requires verifying specific fitment with your engine type.
  • User Impressions: Buyers appreciate the straightforward replacement process and the quick fix it provides for their engine woes. The general consensus points to it being a reliable and affordable option for those experiencing common camshaft sensor symptoms.

  • See it on Amazon here

A-NAFTULY Set of 2 Camshaft Position Sensor 12577245

A-NAFTULY Set of 2 Camshaft Position Sensor 12577245...

This A-NAFTULY two-piece set offers another compelling option for replacing your 2012 GMC Terrain camshaft position sensor. What makes this set stand out is its commitment to direct replacement and an impressive 18-month warranty, providing extra peace of mind. It’s designed to precisely regulate spark timing and fuel injection, working in perfect sync with your crankshaft sensor to ensure optimal engine function and prevent frustrating issues like intermittent stalling or engine misfires.

  • Key Features:

    • Includes two camshaft position sensors.
    • Compatible with 2010-2017 GMC Terrain and many other GM vehicles.
    • Reference OEM numbers: 12577245, 917-720, etc.
    • Features a plug-in installation method for direct replacement.
    • Backed by an 18-month warranty for customer assurance.
  • Pros:

    • Comes with two sensors for value or future replacement.
    • Generous 18-month worry-free warranty.
    • Direct fitment and easy plug-and-play installation.
    • Aims to resolve various engine performance issues.
  • Cons:

    • Potential for variations in long-term durability compared to genuine OEM parts.
    • Ensure the specific OEM number matches your original part.
  • User Impressions: Customers often highlight the excellent warranty as a major selling point. They also frequently report that these sensors successfully clear check engine lights and restore smooth engine operation, making them a trusted choice for many.

  • See it on Amazon here

MOTOKU Engine VVT Variable Valve Timing Solenoid Intake

MOTOKU Engine VVT Variable Valve Timing Solenoid Intake...

Similar to our first pick, the MOTOKU kit offers a comprehensive solution by combining VVT solenoids with camshaft and crankshaft position sensors. This makes it an ideal choice if you’re tackling multiple potential issues or simply want to refresh key engine timing components in your 2012 GMC Terrain. Its broad cross-reference of OEM numbers indicates a versatile fit across many GM models, ensuring you’re getting the right parts for a robust repair.

  • Key Features:

    • Includes intake VVT solenoid, exhaust VVT solenoid, camshaft position sensor, and crankshaft position sensor.
    • Compatible with 2010-2017 GMC Terrain and a vast array of other Chevrolet, Buick, Pontiac, and Saturn models.
    • Replaces numerous OEM part numbers, providing wide applicability.
    • Designed to optimize variable valve timing and ignition/fuel delivery.
  • Pros:

    • Complete package for VVT system and sensor replacement.
    • Extensive compatibility list.
    • Offers a holistic solution for engine timing issues.
    • Potentially resolves multiple related fault codes.
  • Cons:

    • More components than strictly necessary if only a single sensor is bad.
    • Requires more involved installation due to multiple parts.
  • User Impressions: Reviewers often appreciate the convenience and value of purchasing these vital components in a single kit. Many have found it to be an effective solution for persistent check engine lights and noticeable improvements in their vehicle’s driveability.

  • See it on Amazon here

Intake and Exhaust Camshaft Position Actuator VVT Solenoid

Intake and Exhaust Camshaft Position Actuator VVT Solenoid...

This package is another excellent all-in-one solution for your 2012 GMC Terrain’s engine timing needs. It not only includes the intake and exhaust VVT solenoids but also the camshaft and crankshaft position sensors. The key highlight here is its explicit focus on boosting engine performance, improving fuel efficiency, and reducing emissions by providing precise timing data to your engine control unit. If you’re looking for a noticeable upgrade in how your Terrain runs, this kit aims to deliver.

  • Key Features:

    • Includes intake and exhaust VVT actuator solenoids, camshaft position sensor, and engine crankshaft position sensor.
    • Compatible with 2010-2017 GMC Terrain (with 2.0L, 2.2L, or 2.4L engines).
    • Replaces multiple OEM part numbers for a direct fit.
    • Designed to boost engine performance, fuel efficiency, and reduce emissions.
    • Comes with a 12-month warranty for peace of mind.
  • Pros:

    • Comprehensive kit for engine timing and VVT system.
    • Aims for significant improvements in engine performance.
    • Includes a 12-month warranty.
    • Ideal for addressing multiple related engine codes.
  • Cons:

    • May be more than what’s needed for a simple sensor replacement.
    • Installation of the full kit requires more mechanical know-how.
  • User Impressions: Users report noticeable improvements in engine smoothness and responsiveness after installing this kit. The comprehensive nature of the package is a recurring positive, as it helps tackle several common engine issues simultaneously.

  • See it on Amazon here

A-Premium 2-PC Engine Camshaft Position Sensor Compatible

A-Premium 2-PC Engine Camshaft Position Sensor Compatible...

The A-Premium two-piece engine camshaft position sensor set is a strong contender if you’re looking for a reliable, direct replacement for your 2012 GMC Terrain. A-Premium emphasizes strict quality control and a one-year unlimited-mileage guarantee, providing confidence in your purchase. These sensors are built to the exact specifications of the original part, ensuring a perfect fit and consistent performance, which is essential for accurate engine timing.

  • Key Features:

    • Two camshaft position sensors included.
    • Compatible with 2010-2017 GMC Terrain L4 2.4L and a broad list of other GM vehicles.
    • Reference OEM numbers: 12577245, 917720, etc.
    • 3-pin blade terminal for direct plug-and-play installation.
    • Backed by a one-year unlimited-mileage guarantee.
  • Pros:

    • Excellent warranty provides confidence.
    • Two sensors offer good value.
    • Direct replacement for precise fitment.
    • Designed for reliable and consistent performance.
  • Cons:

    • May not be suitable if your Terrain has a different engine (e.g., V6).
    • Aftermarket brand, so some users might prefer OEM.
  • User Impressions: Many customers praise the A-Premium sensors for their immediate effectiveness in resolving check engine light issues and improving engine smoothness. The warranty and the dual-pack value are frequently cited as strong points.

  • See it on Amazon here

Engine Camshaft Position Sensor Compatible with 2010-2017

Engine Camshaft Position Sensor Compatible with 2010-2017...

This camshaft position sensor is a noteworthy option, especially if your 2012 GMC Terrain is equipped with the V6 3.6L engine. While many sensors cater to the L4 2.4L, this specific sensor highlights compatibility with the larger engine, making it a crucial find for V6 owners. It’s designed for direct replacement, ensuring a hassle-free, plug-and-play installation that accurately tracks camshaft rotation for optimal spark timing and fuel injection.

  • Key Features:

    • Specifically highlights compatibility with V6 3.6L engines for 2010-2017 GMC Terrain and other GM models.
    • Direct replacement with plug-and-play installation.
    • Reference OEM number: 12615371, 917-745, etc.
    • Aims to resolve stalling, hard starts, check engine lights, and misfires.
    • Comes with an 18-month worry-free warranty.
  • Pros:

    • Crucial for V6 3.6L GMC Terrain owners.
    • Straightforward direct replacement.
    • Strong 18-month warranty.
    • Designed for optimal engine timing and performance.
  • Cons:

    • Only includes one sensor, not a multi-pack.
    • Must verify vehicle’s engine size carefully before purchasing.
  • User Impressions: V6 owners express relief at finding a sensor explicitly compatible with their engine. They often report that it effectively clears relevant diagnostic trouble codes and restores their vehicle’s smooth operation and responsiveness.

  • See it on Amazon here

A-Premium Engine Camshaft Position Sensor Compatible with

A-Premium Engine Camshaft Position Sensor Compatible with...

Another solid offering from A-Premium, this single camshaft position sensor ensures a reliable and precise replacement for your 2012 GMC Terrain, particularly if it’s the L4 2.4L model with a 3-pin connector. The brand focuses on upgrading your engine performance and maintaining precise ignition timing, promising a smoother driving experience. Like their other products, it comes with a confident one-year unlimited-mileage guarantee, emphasizing their commitment to quality.

  • Key Features:

    • Single camshaft position sensor (3-pin).
    • Compatible with 2010-2017 GMC Terrain L4 2.4L and various other GM 2.4L models.
    • Reference OEM numbers: 917720, 12577245, etc.
    • Designed for good performance, reliable ignition control, and smooth acceleration.
    • Backed by a one-year unlimited-mileage guarantee.
  • Pros:

    • Trusted brand with a good warranty.
    • Focus on upgrading engine performance.
    • Direct fit for specified L4 2.4L engines.
    • Aids in maintaining precise ignition timing.
  • Cons:

    • Only one sensor included, not a multi-pack.
    • Requires verifying the 3-pin connector type for compatibility.
  • User Impressions: Users consistently report that this A-Premium sensor resolves their check engine light issues and improves engine stability. Its reputation for reliability and the assurance of a solid warranty make it a preferred choice for many.

  • See it on Amazon here

ZBN 12577245 SU8902 917-720 213-1690 Camshaft Position

ZBN 12577245 SU8902 917-720 213-1690 Camshaft Position...

The ZBN camshaft position sensor is a straightforward and dependable option for your 2012 GMC Terrain L4 2.4L. It prides itself on being made of quality plastic and metal, ensuring durability and a long service life. This sensor is designed to perfectly match original factory specifications, offering a direct fit and reliable performance. It’s a no-frills, effective solution for those looking to replace a faulty sensor without breaking the bank.

  • Key Features:

    • Reference OEM numbers: 12577245, 917-720, SU8902, etc.
    • Compatible with 2010-2013 GMC Terrain L4-2.4L.
    • Constructed from quality plastic and metal for durability.
    • Designed for perfect match and direct replacement.
    • Includes a one-year quality warranty.
  • Pros:

    • Durable construction materials.
    • Direct fitment based on original specifications.
    • One-year quality warranty for peace of mind.
    • Cost-effective solution.
  • Cons:

    • Compatibility is specifically for L4-2.4L models up to 2013, so double-check your year/engine.
    • Generic branding might deter some users preferring well-known aftermarket names.
  • User Impressions: Customers typically find this sensor to be a reliable and affordable fix for their engine issues. Its direct fit and the fact that it resolves common symptoms like check engine lights are frequently highlighted as positives.

  • See it on Amazon here


Frequently Asked Questions (FAQ) About Your GMC Terrain Camshaft Position Sensor

Q1: What are the common symptoms of a failing 2012 GMC Terrain camshaft position sensor?

A failing camshaft position sensor can cause several noticeable issues. Common symptoms include your “Check Engine” light illuminating, difficulty starting your vehicle, rough idling, engine misfires, poor acceleration, and even engine stalling while driving. Your vehicle’s diagnostic trouble codes (DTCs) will often show a P0340 or similar code if the sensor is the culprit.

Q2: Can I replace the camshaft position sensor myself on my 2012 GMC Terrain?

For many DIY enthusiasts, replacing a camshaft position sensor is a manageable task. It typically involves locating the sensor (which can vary depending on your specific engine, e.g., L4 2.4L or V6 3.6L), disconnecting the electrical connector, unbolting the old sensor, and installing the new one. Always consult your vehicle’s service manual or a reliable online tutorial for exact location and procedures.

Q3: Is it important to use an OEM (Original Equipment Manufacturer) camshaft position sensor, or are aftermarket parts okay?

While OEM parts guarantee an exact match and often perceived higher quality, modern aftermarket camshaft position sensors, like many reviewed here, are designed to meet or exceed OEM specifications. They can be a cost-effective alternative. The key is to choose a reputable aftermarket brand and ensure the part number and compatibility align perfectly with your 2012 GMC Terrain’s engine.

Q4: How does the camshaft position sensor work with the crankshaft position sensor?

These two sensors work in tandem to provide the engine control unit (ECU) with precise information about the position and speed of the engine’s rotating components. The crankshaft sensor tracks the crankshaft (which controls piston movement), while the camshaft sensor tracks the camshaft (which controls valve opening/closing). The ECU uses data from both to accurately time fuel injection and ignition for optimal engine performance and variable valve timing.

Q5: What happens if I don’t replace a faulty camshaft position sensor?

Ignoring a failing camshaft position sensor can lead to a range of escalating problems. At best, you might experience reduced fuel efficiency and poor engine performance. At worst, your vehicle could stall unexpectedly, struggle to start, or even cause damage to other engine components due due to incorrect timing, potentially leading to more expensive repairs down the line. It’s best to address the issue promptly.

Q6: How much does a 2012 GMC Terrain camshaft position sensor typically cost?

The cost of a camshaft position sensor for your 2012 GMC Terrain can vary widely based on whether you choose an OEM part or an aftermarket option, and if it’s a single sensor or part of a kit. Generally, single aftermarket sensors can range from $20 to $60, while multi-packs or kits including other components might be $50 to $150. Labor costs for professional installation, if you choose that route, would be additional.

Q7: Can a bad camshaft position sensor cause my GMC Terrain to fail emissions testing?

Yes, a faulty camshaft position sensor can definitely cause your 2012 GMC Terrain to fail an emissions test. Because the sensor is crucial for precise engine timing and fuel delivery, a malfunctioning one can lead to incorrect air-fuel mixtures, increased emissions, and often trigger the “Check Engine” light. An illuminated “Check Engine” light itself is usually an automatic failure in most emissions tests.


Final Thoughts

Choosing the right 2012 GMC Terrain camshaft position sensor is key to restoring your vehicle’s reliability and ensuring smooth, efficient operation. Whether you opt for a standalone sensor or a comprehensive kit that addresses related components like VVT solenoids, the options reviewed here offer a range of solutions to fit your needs and budget.

Always double-check the compatibility with your specific 2012 GMC Terrain engine type (L4 2.4L or V6 3.6L) and cross-reference OEM part numbers to ensure a perfect fit. With the right part, you’ll be back on the road, enjoying your Terrain’s performance as it was meant to be. Drive safely!

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