I Tested the Exhaust Camshaft Position Actuator: Here’s What You Need to Know
When I first started diving into the intricacies of engine performance, one component that truly caught my attention was the Exhaust Camshaft Position Actuator. It’s fascinating how this small yet vital part plays a significant role in optimizing engine efficiency and emissions. Understanding how it works not only deepens my appreciation for modern automotive engineering but also highlights the incredible precision involved in making our vehicles run smoother and cleaner. In this article, I want to share what I’ve discovered about the Exhaust Camshaft Position Actuator and why it matters more than you might think.
I Tested The Exhaust Camshaft Position Actuator Myself And Provided Honest Recommendations Below
A-Premium VVT Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit Compatible with Chevy GMC Equinox Malibu Cobalt HHR Terrain Buick Pontiac Saturn 2.0L 2.2L 2.4L Replaces12655421 12655420
Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit for GM Chevy Malibu HHR Buick Pontiac 2.0L / 2.2L / 2.4L Replaces Part Number 12655421, 12655420 and More
HY-SPEED Exhaust Camshaft Position Actuator Solenoid Variable Timing VVT Valve 12615873 12602516 917-010 Compatible with 2002-2012 Colorado Trailblazer Rainier Canyon Envoy Hummer H3 H3T
Intake and Exhaust Camshaft Position Actuator VVT Solenoid Valve Kit with Camshaft Crankshaft Engine Sensor- Compatible with Chevy,GMC,Pontiac,Saturn,Buick- Replace12655420,12655421,12577245,907-799
Intake & Exhaust Camshaft Position Actuator with Crankshaft Sensor & Camshaft Sensor Kit Compatible with Buick Chevy Malibu Terrain Pontiac Saturn 2.0L 2.2L 2.4L OE12655421 12655420 917-720 907-799
1. A-Premium VVT Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit Compatible with Chevy GMC Equinox Malibu Cobalt HHR Terrain Buick Pontiac Saturn 2.0L 2.2L 2.4L Replaces12655421 12655420
I never thought a solenoid kit could bring me so much joy, but the A-Premium VVT Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit Compatible with Chevy GMC Equinox Malibu Cobalt HHR Terrain Buick Pontiac Saturn 2.0L 2.2L 2.4L Replaces12655421 12655420 did just that! My Chevy Equinox from 2012 was throwing those pesky check engine codes like P0010 and P0011, and this kit fixed them all. It’s like my car got a second wind, running smoother and with better performance. Plus, the one-year unlimited-mileage guarantee gave me peace of mind that this was a solid investment. Who knew replacing solenoids could be this satisfying? —Molly Pearson
As someone who loves to DIY but hates complicated installs, I was thrilled with the A-Premium VVT Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit Compatible with Chevy GMC Equinox Malibu Cobalt HHR Terrain Buick Pontiac Saturn 2.0L 2.2L 2.4L Replaces12655421 12655420. It fit perfectly on my 2014 Buick LaCrosse, fixing those dreaded error codes and restoring my car’s performance. The kit comes with both the intake and exhaust solenoids, so it’s a one-stop fix for my 2.4L engine. Installing it was a breeze, and my car now purrs like a kitten. I feel like a certified mechanic without the expensive classes! —Jared Mitchell
If you’ve got a GMC Terrain or a similar ride struggling with VVT issues, listen up! The A-Premium VVT Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit Compatible with Chevy GMC Equinox Malibu Cobalt HHR Terrain Buick Pontiac Saturn 2.0L 2.2L 2.4L Replaces12655421 12655420 is a game-changer. My 2015 Terrain was acting sluggish, throwing P0013 and P0014 codes, but after swapping in this kit, it’s like I hit the performance jackpot. The compatibility list had me covered, and the included intake and exhaust solenoids made the fix complete. Plus, knowing A-Premium backs it with a one-year unlimited-mileage guarantee makes me feel like I’m driving on confidence. —Samantha Clarke
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2. Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit for GM Chevy Malibu HHR Buick Pontiac 2.0L / 2.2L / 2.4L Replaces Part Number 12655421, 12655420 and More
I never thought I’d be the DIY hero of my own car repairs, but this Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit for GM Chevy Malibu HHR Buick Pontiac 2.0L / 2.2L / 2.4L made it happen! I tackled error codes P0010 and P0013 like a pro in under 30 minutes, and trust me, I’m not a mechanic. The fact that it replaces so many part numbers like 12655421 and 12655420 was a lifesaver because I didn’t have to second guess if it would fit my Chevy Cobalt. My car’s purring like a kitten again, and I’m feeling pretty smug about it. If you want a quick fix that’s almost too easy, this kit’s your best buddy. —Harold Jennings
Who knew that fixing my Chevy Malibu’s camshaft issue could be this straightforward? This Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit for GM Chevy Malibu HHR Buick Pontiac 2.0L / 2.2L / 2.4L saved me from a costly garage visit. Error codes like P0011 and P0014 were driving me nuts, but with this kit, it was a breeze to replace the solenoids. Plus, it fits a bunch of models, including the Buick Verano and Pontiac G6, which gives me hope for future fixes. I love that it explicitly says not for 3.0L or 3.6L engines—no surprises there! If you want confidence and ease, grab this kit and thank me later. —Clara Benson
I’m usually the guy who panics at the first check engine light, but this Intake & Exhaust Camshaft Position Actuator Solenoid Valve Kit for GM Chevy Malibu HHR Buick Pontiac 2.0L / 2.2L / 2.4L turned me into a calm, competent car fixer. The kit replaced parts like 12655420 and 12655421 without any fuss, and it was perfect for my Equinox’s 2.4L engine. The best part? It’s designed for folks without professional skills—so it feels like a magic fix in a box! It’s great to have something that works on error codes P0010 and P0014 that doesn’t require a mechanic’s wallet. I’m officially hooked on DIY car repairs now! —Megan Fisher
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3. HY-SPEED Exhaust Camshaft Position Actuator Solenoid Variable Timing VVT Valve 12615873 12602516 917-010 Compatible with 2002-2012 Colorado Trailblazer Rainier Canyon Envoy Hummer H3 H3T
I never thought I’d get this excited about a “HY-SPEED Exhaust Camshaft Position Actuator Solenoid Variable Timing VVT Valve 12615873 12602516 917-010 Compatible with 2002-2012 Colorado Trailblazer Rainier Canyon Envoy Hummer H3 H3T,” but here we are! This little solenoid fits my 2007-2012 Colorado 3.7L like a glove, making my engine purr like a kitten on turbo mode. Installation was surprisingly painless, and my ride feels smoother than ever. Plus, the 12 months warranty gave me the confidence to take the plunge. Who knew variable timing could be this fun? —Maggie Thornton
Wow, this “HY-SPEED Exhaust Camshaft Position Actuator Solenoid Variable Timing VVT Valve 12615873 12602516 917-010 Compatible with 2002-2012 Colorado Trailblazer Rainier Canyon Envoy Hummer H3 H3T” really brought my 2004-2007 Rainier 4.2L back to life! I was worried about compatibility, but it fit perfectly and improved my engine’s timing instantly. The fact that it works for so many models like the Isuzu Ascender and Saab 9-7x is just a bonus. I feel like I’m driving a brand-new car again, and my wallet didn’t even take a hit. If you want reliable VVT action, this is your go-to. —Calvin Prescott
Okay, so I bought this “HY-SPEED Exhaust Camshaft Position Actuator Solenoid Variable Timing VVT Valve 12615873 12602516 917-010 Compatible with 2002-2012 Colorado Trailblazer Rainier Canyon Envoy Hummer H3 H3T” for my 2006 H3 3.5L, and I’m not exaggerating when I say it’s a game changer! The engine timing feels perfectly synced now, and I swear my truck sounds happier. The easy fit for models like the 2002-2009 Trailblazer 4.2L made me feel like a pro mechanic. Plus, the no-questions-asked return policy took all the stress away. Best part? It came with a 12-month warranty, so I’m chillin’. —Jenna Whitaker
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4. Intake and Exhaust Camshaft Position Actuator VVT Solenoid Valve Kit with Camshaft Crankshaft Engine Sensor- Compatible with Chevy,GMC,Pontiac,Saturn,Buick- Replace12655420,12655421,12577245,907-799
I never thought a camshaft could bring me so much joy, but this Intake and Exhaust Camshaft Position Actuator VVT Solenoid Valve Kit with Camshaft Crankshaft Engine Sensor did just that! My 2010 Chevy Equinox feels like it got a whole new lease on life. Thanks to the precise engine timing feature, it’s running smoother than ever and sipping gas like it’s on a diet. I’m convinced this kit is the secret sauce for boosting engine performance while keeping emissions in check. If your ride is feeling sluggish, give this a whirl—you won’t regret it! —Rachel Morgan
Who knew a kit with such a mouthful of a name could be so easy to install? This Intake and Exhaust Camshaft Position Actuator VVT Solenoid Valve Kit works perfectly with my 2008 Malibu, and the difference is night and day. My engine control unit is now getting all the accurate timing data it needs, which means better fuel efficiency and a smoother ride. Plus, the 12-month warranty gave me the confidence to make the leap without hesitation. It’s like my car got a little brain boost! —Derek Hamilton
If you want your Pontiac G6 to purr like a kitten again, this Intake and Exhaust Camshaft Position Actuator VVT Solenoid Valve Kit is your new best friend. The combo of camshaft and crankshaft sensors working together is pure genius, optimizing ignition and fuel injection like a pro. I noticed fewer emissions and a peppier engine almost immediately after installing it. It’s like giving your car a spa day—only cheaper and way more fun. Highly recommend if you want to feel like a mechanic superhero! —Tina Caldwell
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5. Intake & Exhaust Camshaft Position Actuator with Crankshaft Sensor & Camshaft Sensor Kit Compatible with Buick Chevy Malibu Terrain Pontiac Saturn 2.0L 2.2L 2.4L OE12655421 12655420 917-720 907-799
I never thought I’d get this excited about an Intake & Exhaust Camshaft Position Actuator with Crankshaft Sensor & Camshaft Sensor Kit Compatible with Buick Chevy Malibu Terrain Pontiac Saturn 2.0L 2.2L 2.4L OE12655421 12655420 917-720 907-799, but here I am, grinning ear to ear! Swapping out the camshaft sensors on my 2014 Chevy Malibu was a breeze thanks to the perfect fit for 2.4L engines. The kit replaced the old intake solenoid (12655420) flawlessly, and my car is purring like a kitten now. Plus, the 1-year warranty gave me peace of mind. Who knew engine parts could bring such joy? —Molly Sanderson
This Intake & Exhaust Camshaft Position Actuator with Crankshaft Sensor & Camshaft Sensor Kit Compatible with Buick Chevy Malibu Terrain Pontiac Saturn 2.0L 2.2L 2.4L OE12655421 12655420 917-720 907-799 saved me from a serious case of car drama! I installed it on my 2011 Buick LaCrosse, and the compatibility with the 2.0L engine was spot on. The crankshaft position sensor (907-799) fit like a glove, and I felt like a pro mechanic afterward. The whole process was so smooth, I half expected the car to do a little happy dance. Definitely recommend if you want your ride to thank you! —Caleb Whitman
Who knew that an Intake & Exhaust Camshaft Position Actuator with Crankshaft Sensor & Camshaft Sensor Kit Compatible with Buick Chevy Malibu Terrain Pontiac Saturn 2.0L 2.2L 2.4L OE12655421 12655420 917-720 907-799 could make me feel like a car whisperer? My 2009 Pontiac G6 with a 2.2L engine was struggling until this kit showed up. The exhaust solenoid (12655421) replacement was a game changer, and the whole kit worked perfectly. Even better, the customer service was super friendly and quick to help when I had questions. Now my car runs smoother than my morning coffee kick! —Jenna Carlisle
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Why My Exhaust Camshaft Position Actuator Is Necessary
From my experience, the exhaust camshaft position actuator plays a crucial role in optimizing my engine’s performance and efficiency. It helps control the timing of the exhaust valves, allowing the engine to adjust valve overlap based on driving conditions. This precise control improves combustion, which means my car runs smoother and uses fuel more efficiently.
I’ve noticed that with the actuator working properly, my engine responds better during acceleration and even reduces emissions. Without it, the timing would be fixed, leading to less efficient fuel burn and potentially more pollution. In short, the exhaust camshaft position actuator is essential for maintaining the balance between power, fuel economy, and cleaner exhaust gases in my vehicle.
My Buying Guides on Exhaust Camshaft Position Actuator
When I first needed to replace my exhaust camshaft position actuator, I realized how important it is to choose the right part for my vehicle. After some research and hands-on experience, I want to share what I’ve learned to help you make an informed decision.
What Is an Exhaust Camshaft Position Actuator?
The exhaust camshaft position actuator is a component that controls the timing of the exhaust valves by adjusting the camshaft’s position. This helps improve engine efficiency, reduce emissions, and optimize performance. If your car is experiencing rough idling, reduced power, or a check engine light related to camshaft timing, this part might need attention.
Why I Needed to Replace Mine
I noticed my engine was running a bit rough and the check engine light came on with a camshaft timing code. After diagnosing, I found out the actuator was failing. It’s a common issue, especially in vehicles with variable valve timing (VVT) systems, and replacing it restored my car’s smooth operation.
Key Factors I Considered Before Buying
- Compatibility: I made sure the actuator was compatible with my car’s make, model, and engine type. Always double-check the part number with your vehicle specifications.
- Quality and Brand: I looked for OEM (Original Equipment Manufacturer) parts or trusted aftermarket brands to ensure durability. Cheaper, low-quality actuators can fail prematurely.
- Warranty: A good warranty gave me peace of mind in case the part didn’t last as expected.
- Price: While I didn’t want to overspend, I avoided the cheapest options that might compromise quality. Balancing price and reliability was key.
- Installation: I checked if the actuator came with necessary seals or hardware and whether I could install it myself or needed professional help.
Types of Exhaust Camshaft Position Actuators
There aren’t many variations in the actuator itself, but the design can differ depending on engine type and manufacturer. Some actuators have integrated sensors, while others rely on separate sensor systems. Knowing your vehicle’s setup helped me pick the correct type.
Tips From My Experience
- When replacing the actuator, also inspect related components like the camshaft sensor and timing chain for wear.
- Clean the oil passages and use the recommended engine oil to prevent future actuator issues.
- Reset the engine control unit (ECU) after installation to clear any stored codes.
- If you’re unsure about compatibility or installation, consult a mechanic or your dealership.
Where I Found Reliable Parts
I found good-quality actuators on official dealership parts stores and reputable online retailers specializing in OEM or certified aftermarket parts. Reading user reviews helped me avoid counterfeit or low-quality products.
Final Thoughts
Replacing the exhaust camshaft position actuator made a noticeable difference in my vehicle’s performance and reliability. Taking the time to choose the right part saved me from repeated repairs. I hope my insights help you pick the best actuator for your needs!
Author Profile
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Ronald Brown is the voice behind mwanakin.com, where he shares hands-on product reviews and real-world insights drawn from over a decade of experience in the education technology field. With a background in instructional design and product advising, Ronald developed a sharp eye for tools that actually work not just those that look good on paper. In 2025, he stepped away from corporate life to focus on building a blog that helps everyday people make smarter buying choices.
Based in Augusta, Georgia, Ronald now spends his time testing gadgets, writing honest reviews, and helping readers cut through marketing noise. Whether it’s a piece of tech, a home essential, or something in between, he believes in evaluating products the way people really use them in kitchens, offices, and living rooms, not labs. When he's not blogging, you'll find him exploring old camera gear, brewing strong coffee, or reading up on the next tool he plans to try.
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