5 Best 2011 GMC Terrain Camshaft Position Sensor Replacements: Your Ultimate Guide

Is your 2011 GMC Terrain acting a bit sluggish? Perhaps you’ve noticed the “Check Engine” light illuminated, or maybe it’s just not running as smoothly as it used to. These could be tell-tale signs of an issue with your camshaft position sensor. This tiny but mighty component plays a crucial role in your engine’s performance, helping the engine control unit (ECU) understand where your camshaft is at all times. This data is vital for precise fuel injection and ignition timing, keeping your engine humming along efficiently.

Finding the right replacement for your 2011 GMC Terrain camshaft position sensor can feel like a chore with so many options out there. But don’t sweat it! We’ve scoured the market to bring you the top 5 camshaft position sensors and related kits that are compatible with your 2011 GMC Terrain, helping you make an informed decision and get your vehicle back on track.


Understanding the Camshaft Position Sensor

Before we dive into the products, let’s briefly touch on why this sensor is so important. The camshaft position sensor monitors the speed and position of the camshaft, sending this information to your vehicle’s computer. This data is used in conjunction with the crankshaft position sensor to ensure your engine’s cylinders are firing at exactly the right time. When this sensor goes bad, you might experience rough idling, engine misfires, poor fuel economy, hard starting, or even intermittent stalling. Replacing a faulty 2011 GMC Terrain camshaft position sensor is crucial for maintaining optimal engine performance and avoiding further issues.


Our Top Picks for Your 2011 GMC Terrain Camshaft Position Sensor

Let’s explore some of the best options available to get your GMC Terrain running smoothly again.

A-NAFTULY Set of 2 Camshaft Position Sensor 12577245…

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

If you’re looking for a direct replacement that offers good value, this set of two camshaft position sensors from A-NAFTULY could be just what your 2011 GMC Terrain needs. Designed for seamless plug-and-play installation, these sensors are built to mimic your original parts, making the replacement process as straightforward as possible. It’s a great option if you need to replace both sensors or want a spare on hand for future peace of mind.

  • Key Features:
  • Vehicle Fitment: Specifically compatible with 2010-2017 GMC Terrain (among other models).
  • Reference OE Number: Matches multiple OEM part numbers (e.g., 12577245, 917-720) for accurate fit.
  • Function: Determines camshaft rotating position for spark timing and fuel injector operation.
  • Direct Replacement: Designed for easy plug-in installation without extensive adjustments.
  • Package Included: Two camshaft position sensors.
  • Warranty: 18-month worry-free warranty.

  • Pros:

  • Comes as a convenient two-pack, offering good value.
  • Direct fit for 2011 GMC Terrain, ensuring easy installation.
  • Comprehensive OE cross-reference for confident purchasing.
  • Includes a generous warranty for buyer confidence.

  • Cons:

  • May not include mounting hardware (though typically reusable from old sensor).
  • Specific to camshaft position sensor only, not a full system kit.

  • User Impressions: Customers frequently praise the ease of installation and the immediate resolution of their check engine light and performance issues after installing these sensors. Many appreciate the value of getting two sensors, either for dual replacements or as a reliable spare. The direct fitment is often highlighted as a major plus.

  • See it on Amazon here

VVT Intake+Exhaust Camshaft Position Actuator…

VVT Intake+Exhaust Camshaft Position Actuator...

This comprehensive kit is more than just a camshaft position sensor; it’s a full package designed to address various engine timing components. If your 2011 GMC Terrain is showing symptoms beyond just a faulty camshaft sensor – perhaps related to variable valve timing (VVT) or even the crankshaft sensor – this kit offers a convenient solution. It includes intake and exhaust VVT actuators, a camshaft position sensor, and a crankshaft position sensor, providing a broad approach to resolving engine timing issues.

  • Key Features:
  • Fitment: Compatible with 2010-2017 GMC Terrain (2.0L, 2.2L, 2.4L engines) and many other GM vehicles.
  • OE Part Numbers: Includes various OEM part numbers for VVT actuators, camshaft, and crankshaft sensors.
  • Components: Comes with Intake and Exhaust VVT Actuator Solenoids, Camshaft Position Sensor, and Engine Crankshaft Position Sensor.
  • Comprehensive Solution: Addresses multiple engine timing components.

  • Pros:

  • Offers a complete solution for various engine timing and sensor issues.
  • Good value if multiple components are failing or suspected.
  • Wide range of OE part number cross-references.
  • Covers 2.0L, 2.2L, and 2.4L engines commonly found in the Terrain.

  • Cons:

  • Might be overkill if only the camshaft position sensor is needed.
  • Installation can be more complex due to the number of components.
  • Focuses heavily on VVT actuators in the description, potentially confusing buyers looking solely for the sensor.

  • User Impressions: Buyers who needed to replace multiple timing components found this kit incredibly convenient and cost-effective. They reported significant improvements in engine performance and the resolution of various diagnostic codes. However, some users who only needed a single sensor felt the extra parts were unnecessary.

  • See it on Amazon here

Intake and Exhaust Camshaft Position Actuator VVT Solenoid…

Intake and Exhaust Camshaft Position Actuator VVT Solenoid...

Similar to the previous option, this kit from ECCPP provides a robust solution for a range of engine timing components, including the essential 2011 GMC Terrain camshaft position sensor. Designed to boost engine performance, improve fuel efficiency, and reduce emissions, this set includes both intake and exhaust VVT solenoids, along with the camshaft and crankshaft position sensors. It’s an excellent choice for a proactive repair or if you’re chasing multiple engine codes related to timing.

  • Key Features:
  • Compatibility: Fits 2010-2017 Equinox/GMC Terrain (with 2.0L, 2.2L or 2.4L engines).
  • Replace OE Part Numbers: Extensive list of cross-referenced OEM part numbers for all included components.
  • Boost Engine Performance: Designed to provide accurate timing data for optimal power and efficiency.
  • Precise Engine Timing: Camshaft and Crankshaft Position Sensors work in tandem for optimized ignition and fuel injection.
  • Warranty: Backed by a 12-month warranty.

  • Pros:

  • All-in-one kit addresses multiple engine timing components.
  • Aims to improve engine performance, fuel efficiency, and emissions.
  • Clear compatibility with various engine sizes common in the Terrain.
  • Comes with a 12-month warranty for peace of mind.

  • Cons:

  • May be more comprehensive (and potentially more expensive) than what’s needed for a simple sensor replacement.
  • Installation of multiple components could require more advanced mechanical skills.

  • User Impressions: Customers appreciate the comprehensive nature of this kit, often finding it resolves multiple engine issues at once. The improvement in engine smoothness and fuel economy is a common positive remark. Users highlight that it’s a cost-effective way to replace several critical timing components simultaneously.

  • See it on Amazon here

A-NAFTULY 12577245 Camshaft Position Sensor Compatible with…

A-NAFTULY 12577245 Camshaft Position Sensor Compatible with...

If you’re certain you only need a single camshaft position sensor for your 2011 GMC Terrain, this offering from A-NAFTULY is a straightforward choice. This single sensor is designed as a direct replacement for your original part, ensuring accurate fitment and function. It’s perfect for those who have diagnosed a single faulty sensor and want a reliable, easy-to-install solution without buying a multi-component kit.

  • Key Features:
  • Vehicle Fitment: Compatible with 2010-2017 GMC Terrain (and other specific GM models).
  • Reference OEM Number: Extensive list of compatible OEM part numbers including 12577245, 917-720.
  • Function: Determines camshaft rotating position for spark timing and fuel injector operation.
  • Direct Replacement: Easy plug-in installation.
  • Package Included: One camshaft position sensor.
  • Warranty: 18-month worry-free warranty.

  • Pros:

  • Focused solution for single camshaft sensor replacement.
  • Excellent compatibility with 2011 GMC Terrain.
  • Simple plug-and-play installation.
  • Strong 18-month warranty provides confidence.

  • Cons:

  • Only replaces one sensor, so if your vehicle uses two or other timing components are faulty, you’ll need additional parts.
  • No additional parts or tools included.

  • User Impressions: Many users appreciate the simplicity and direct fit of this sensor. They often report that it successfully clears the check engine light and resolves symptoms like rough idling or misfires. The straightforward installation is a significant advantage for DIYers.

  • See it on Amazon here

A-Premium Engine Camshaft Position Sensor Compatible with…

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

For a reliable, high-performance single camshaft position sensor, the A-Premium option is a strong contender. This sensor is specifically engineered to upgrade your engine performance and maintain precise ignition timing in your 2011 GMC Terrain. With a focus on quality and a direct fit, it promises a smooth driving experience and reliable ignition control, making it a solid choice for those seeking a dependable replacement.

  • Key Features:
  • Vehicle Fitment: Compatible with 2010-2017 GMC Terrain L4 2.4L (and other specific GM models), specifically 3-pin connector.
  • Reference Number: Cross-references multiple OEM numbers like 917720, 12577245.
  • Good Performance: Designed to upgrade engine performance and maintain precise ignition timing.
  • Buy with Confidence: One-year unlimited-mileage guarantee.

  • Pros:

  • Ensures precise ignition timing for a wonderful driving experience.
  • Specific fitment for L4 2.4L engine in 2011 GMC Terrain.
  • Robust one-year unlimited-mileage warranty.
  • Direct replacement for ease of installation.

  • Cons:

  • Only suitable for 3-pin connections (ensure compatibility with your specific vehicle).
  • Only replaces one sensor, so consider if multiple components are needed.

  • User Impressions: Users often commend the A-Premium sensor for its exact fit and the noticeable improvement in their vehicle’s running condition. They highlight its durability and the reliable performance it provides. The positive feedback often revolves around its ability to resolve persistent engine codes quickly and efficiently.

  • See it on Amazon here

Frequently Asked Questions (FAQ)

Here are some common questions about the camshaft position sensor in your 2011 GMC Terrain.

Q1: What does a camshaft position sensor do in my 2011 GMC Terrain?

A1: The camshaft position sensor (CMP) monitors the rotational speed and position of the camshaft. It sends this data to the engine control unit (ECU), which then uses it, along with information from the crankshaft position sensor, to precisely control fuel injection and ignition timing. This ensures your engine’s cylinders fire at the optimal moment for efficient combustion.

Q2: What are the common symptoms of a failing 2011 GMC Terrain camshaft position sensor?

A2: Common symptoms include the “Check Engine” light illuminating, engine misfires, rough idling, decreased fuel economy, hard starting, intermittent stalling, and sudden loss of power or hesitation during acceleration. You might also notice your vehicle refusing to start or having trouble shifting gears.

Q3: Can I drive my 2011 GMC Terrain with a bad camshaft position sensor?

A3: While your Terrain might still drive with a faulty sensor, it’s not recommended. Driving with a bad sensor can lead to further engine damage, significantly reduced performance, and poor fuel efficiency. It’s best to replace it as soon as possible to avoid more costly repairs down the line.

Q4: Is it difficult to replace the 2011 GMC Terrain camshaft position sensor myself?

A4: For many DIYers, replacing a camshaft position sensor in a 2011 GMC Terrain is a relatively straightforward job, often just requiring basic tools and a bit of mechanical know-how. The sensors are usually easily accessible. However, if you’re unsure or uncomfortable, it’s always best to consult a professional mechanic. Some kits that include VVT actuators might be more complex.

Q5: How many camshaft position sensors does a 2011 GMC Terrain typically have?

A5: The 2011 GMC Terrain, especially models with the 2.4L engine, often utilize two camshaft position sensors: one for the intake camshaft and one for the exhaust camshaft. It’s a good idea to check your vehicle’s specific setup or consider buying a set if both are likely to be of similar age.

Q6: What’s the difference between a camshaft position sensor and a crankshaft position sensor?

A6: Both are vital for engine timing. The camshaft position sensor (CMP) tracks the camshaft’s position, which controls valve timing. The crankshaft position sensor (CKP) monitors the crankshaft’s position, which controls piston timing. Together, they provide the ECU with the synchronized data needed for proper ignition and fuel delivery.

Q7: Should I choose an OEM or aftermarket camshaft position sensor?

A7: OEM (Original Equipment Manufacturer) sensors are made by the same company that supplied the original part for your vehicle and are guaranteed to fit and function perfectly. Aftermarket sensors, like the ones reviewed here, are made by third-party manufacturers. Many aftermarket options offer comparable quality and performance at a lower price point. Look for reputable brands with good warranties and positive user reviews for peace of mind.


Final Thoughts

A failing 2011 GMC Terrain camshaft position sensor can be a real headache, but thankfully, replacing it is often a manageable repair. Whether you opt for a single, direct-fit sensor or a comprehensive kit that addresses multiple engine timing components, choosing a quality part is key. We hope this guide helps you find the perfect replacement to get your Terrain running like new again!

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