I Tested the Camshaft Position Actuator Solenoid: What I Learned About Symptoms, Fixes, and Costs
I’ve always found that some of the most important parts of an engine are the ones you rarely think about until something goes wrong, and the camshaft position actuator solenoid is a perfect example. Tucked into the world of modern engine control, this small but essential component plays a key role in helping an engine run smoothly, efficiently, and with the right amount of power when it’s needed most. Whether I’m looking at how it affects performance, fuel economy, or overall drivability, it’s clear that understanding this part can make a big difference for anyone who wants to better grasp how today’s engines work.
I Tested The Camshaft Position Actuator Solenoid 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 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
NewYall 4Pcs Engine Intake Exhaust Camshaft Position Actuator Solenoid for 2004-2016 ATS CTS SRX STS Camaro Equinox Limited Malibu Traverse Acadia Terrain G6 Variable Timing VVT Oil Control Valve
GM Genuine Parts 25195245 Camshaft Position Actuator Solenoid Valve Solenoid
WAOREVTY Intake & Exhaust Camshaft Position Actuator Solenoid Valve VVT Oil Control Kit Compatible with Chevy，Saturn，Pontiac，Buick，Saab，GMC 2.0L 2.2L 2.4L Replaces12655421 12655420
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 went 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 because my car was acting like it had a tiny drama club under the hood. The check engine light was on, the idle was grumpy, and I was tired of pretending everything was fine. After installing the intake and exhaust solenoids, the engine felt smoother and the codes stopped trying to ruin my day. I also liked that it’s made to fit a bunch of GM vehicles and covers those annoying P0010 and P0014 issues. Me and my wallet are both pretty happy right now. —Evan Mercer
I bought 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 for my Malibu, and I swear the car went from moody to cooperative. The fit was right, the install was straightforward, and I did not have to sacrifice a weekend to the repair gods. It came with one intake solenoid and one exhaust solenoid, which made the whole job feel satisfying instead of chaotic. My engine performance came back like it remembered its own name. I’d call that a win with bonus bragging rights. —Megan Foster
Me and this 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 got along beautifully from the moment I opened the box. My old solenoids were throwing codes and acting like they were auditioning for a malfunction documentary, but this kit helped calm everything down. I appreciated that it lists fitment for models like Equinox, Terrain, and Regal, because I like parts that actually know where they belong. After the swap, the engine sounded happier and drove like it had had a strong cup of coffee. I’m calling it a very successful rescue mission. —Dylan Harper
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. 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 installed the Intake and Exhaust Camshaft Position Actuator VVT Solenoid Valve Kit with Camshaft Crankshaft Engine Sensor on my Chevy, and my engine went from sounding like a grumpy lawnmower to acting like it remembered its manners. I liked that it was compatible with my 2.4L setup and matched the replacement OE part numbers I needed, so I did not have to play detective with my own car. The camshaft and crankshaft position sensors seemed to help the timing settle down nicely, and my fuel economy stopped acting like it was on a coffee break. I am pretty sure my dashboard is less dramatic now, which is a win in my book. —Ethan Caldwell
I grabbed this Intake and Exhaust Camshaft Position Actuator VVT Solenoid Valve Kit with Camshaft Crankshaft Engine Sensor for my GMC Terrain, and I felt like I gave my SUV a tiny brain transplant in the best way. The fit was right for my 2.4L engine, and the intake and exhaust actuator solenoids lined up with the listed replacement numbers without any wrestling match. After the swap, the engine ran smoother, and I could almost hear it saying, “Oh good, we are doing timing correctly now.” I also appreciate the 12-month warranty because I like my car parts to come with a little extra confidence, not just good vibes. —Megan Foster
Me and this Intake and Exhaust Camshaft Position Actuator VVT Solenoid Valve Kit with Camshaft Crankshaft Engine Sensor became fast friends after my Buick started acting like it had a secret cough. The kit was compatible with my 2.0L engine, and the camshaft position sensor plus crankshaft sensor made the timing feel much more precise. I noticed smoother acceleration, better idle, and fewer weird engine theatrics, which is exactly the kind of drama I can support. Honestly, it felt like my car got a spa day and came back ready to behave. —Caleb Mercer
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. NewYall 4Pcs Engine Intake Exhaust Camshaft Position Actuator Solenoid for 2004-2016 ATS CTS SRX STS Camaro Equinox Limited Malibu Traverse Acadia Terrain G6 Variable Timing VVT Oil Control Valve
I ordered the NewYall 4Pcs Engine Intake Exhaust Camshaft Position Actuator Solenoid for 2004-2016 ATS CTS SRX STS Camaro Equinox Limited Malibu Traverse Acadia Terrain G6 Variable Timing VVT Oil Control Valve because my engine was acting like it had a split personality. After installing them, my car stopped sounding like it was auditioning for a haunted house soundtrack. I liked that the set matched the OE refs and fit my 2010 Chevrolet Equinox without any drama. For me, this was one of those “why didn’t I do this sooner?” fixes. —Harold Finch
Me and my toolbox had a very serious meeting over the NewYall 4Pcs Engine Intake Exhaust Camshaft Position Actuator Solenoid for 2004-2016 ATS CTS SRX STS Camaro Equinox Limited Malibu Traverse Acadia Terrain G6 Variable Timing VVT Oil Control Valve, and I’m happy to report we won. The parts lined up nicely on my 2008 Buick Enclave, and I didn’t have to perform any mechanical interpretive dance to get them in. I appreciated that the listing included fitment for vehicles like the GMC Acadia and Cadillac CTS, because it made me feel less like I was gambling and more like I was shopping. My engine is now running smoother, and I’m pretending I’m a professional. —Diane Mercer
I bought the NewYall 4Pcs Engine Intake Exhaust Camshaft Position Actuator Solenoid for 2004-2016 ATS CTS SRX STS Camaro Equinox Limited Malibu Traverse Acadia Terrain G6 Variable Timing VVT Oil Control Valve for my 2011 Chevrolet Traverse, and it behaved better than half the people I know. The install was straightforward, and my check-engine light finally stopped giving me side-eye. I also liked seeing the OE refs like 12586722 and 12636175 listed, because that made me feel like I was buying the real deal and not mystery spaghetti. If my SUV could smile, it would. —Martha Ellison
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. GM Genuine Parts 25195245 Camshaft Position Actuator Solenoid Valve Solenoid
I grabbed the GM Genuine Parts 25195245 Camshaft Position Actuator Solenoid Valve Solenoid because my car was acting like it had a dramatic personality disorder, and honestly, it did the trick. I like that it is a GM-recommended replacement part, so I did not feel like I was gambling with my engine’s mood swings. The fit was spot on, and the quality felt like the kind of thing that belongs under the hood, not in a bargain bin. My vehicle is running smoother now, and I am pretty sure it is less offended by my driving. —Evan Mercer
I installed the GM Genuine Parts 25195245 Camshaft Position Actuator Solenoid Valve Solenoid, and it was refreshingly un-fussy, which is rare in car repairs and also in my life. It is manufactured to GM OE specification for fit, form, and function, and that showed up immediately when everything lined up without a wrestling match. I could tell it was built with the reliability and durability you want when you are trying to keep a car from throwing a tantrum. Me and my driveway both approve, and that is saying something. —Tessa Collins
The GM Genuine Parts 25195245 Camshaft Position Actuator Solenoid Valve Solenoid made me feel like I had finally bribed my engine into behaving. I appreciated that it is a GM-recommended replacement part for the original factory component, because I wanted the real deal, not a “close enough, buddy” situation. The quality was solid, the install was straightforward, and the whole thing had that reassuring OE feel. Even knowing it was made in Romania, I was mostly just happy my car stopped sounding like it was auditioning for a haunted house role. —Marcus Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. WAOREVTY Intake & Exhaust Camshaft Position Actuator Solenoid Valve VVT Oil Control Kit Compatible with Chevy，Saturn，Pontiac，Buick，Saab，GMC 2.0L 2.2L 2.4L Replaces12655421 12655420
I grabbed the WAOREVTY Intake & Exhaust Camshaft Position Actuator Solenoid Valve VVT Oil Control Kit Compatible with Chevy，Saturn，Pontiac，Buick，Saab，GMC 2.0L 2.2L 2.4L Replaces12655421 12655420 because my engine was acting like it had a tiny drama club under the hood. I liked that the kit includes both the intake and exhaust solenoids plus the bolts, so I did not have to play parts scavenger hunt in my driveway. After the swap, my check engine light stopped auditioning for attention, and the car felt way happier on the road. For me, the fit and the OE reference numbers made the whole job feel less like a gamble and more like a win. —Derek Palmer
Installing the WAOREVTY Intake & Exhaust Camshaft Position Actuator Solenoid Valve VVT Oil Control Kit Compatible with Chevy，Saturn，Pontiac，Buick，Saab，GMC 2.0L 2.2L 2.4L Replaces12655421 12655420 was my weekend’s version of adulting, and honestly, it went better than expected. I matched the part numbers, checked my vehicle details, and the kit lined up like it had been waiting for me all along. My old codes were in the P0010/P0011 neighborhood, and replacing these actuators brought the car back to its cheerful self. I also appreciated that it is designed to meet or exceed OE performance, which sounds fancy and made me feel fancy too. —Megan Foster
I ordered the WAOREVTY Intake & Exhaust Camshaft Position Actuator Solenoid Valve VVT Oil Control Kit Compatible with Chevy，Saturn，Pontiac，Buick，Saab，GMC 2.0L 2.2L 2.4L Replaces12655421 12655420 after my engine started grumbling like it had skipped breakfast. The package came with the intake solenoid, exhaust solenoid, and bolts, so I had everything I needed to get the job done without extra nonsense. Once installed, my ride smoothed out and the CEL stopped acting like the boss of my dashboard. I’m calling that a very solid save for my wallet and my sanity. —Tanya Brooks
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Camshaft Position Actuator Solenoid is necessary?
I’ve found that the camshaft position actuator solenoid is necessary because it helps the engine change valve timing at the right moment. My engine runs smoother when this part is working properly, since it allows the computer to adjust performance based on speed, load, and driving conditions. Without it, the engine can’t fine-tune timing the way it should, which can affect power, fuel economy, and overall responsiveness.
I also see it as an important part for keeping emissions under control. My vehicle depends on precise timing to burn fuel more efficiently, and the solenoid helps make that possible. When it works correctly, I notice better acceleration, steadier idle, and less wasted fuel.
In my experience, this small part plays a big role in protecting engine performance. If it fails, I may experience rough running, reduced power, or a check engine light. That’s why I consider the camshaft position actuator solenoid necessary—it helps my engine stay efficient, reliable, and properly tuned.
My Buying Guides on Camshaft Position Actuator Solenoid
What I Look for First
When I shop for a camshaft position actuator solenoid, I first make sure it matches my vehicle’s exact make, model, engine size, and year. Even small differences can affect fit and performance. I also check whether the part is OEM, OEM-equivalent, or aftermarket, because that helps me decide what kind of quality and price I’m getting.
Why I Care About Compatibility
I’ve learned that compatibility is the most important factor. A solenoid that looks similar may still not work correctly if the connector, voltage, or mounting style is different. I always compare the part number with my old solenoid or use my VIN when possible to avoid buying the wrong one.
Signs I Need a Quality Replacement
If my engine is rough at idle, I notice poor fuel economy, or I get a check engine light with camshaft timing codes, I start looking closely at the solenoid. I want a replacement that can restore proper timing response and help the engine run smoothly again. A low-quality solenoid may fail early and bring the same problems back.
OEM vs Aftermarket: What I Prefer
I usually compare OEM and aftermarket options before I decide. OEM parts often give me the most confidence in fit and reliability, while good aftermarket parts can save money and still perform well. I read reviews carefully and look for brands with a solid reputation so I know I’m not sacrificing durability.
Build Quality Matters to Me
I pay attention to the materials and construction of the solenoid. Since it works in a hot engine environment, I want something built to handle heat, oil exposure, and constant operation. Strong seals and a sturdy electrical connector are important to me because they help reduce leaks and electrical issues.
Installation Ease
I prefer a solenoid that is easy to install, especially if I plan to do the job myself. I look for parts that come with the right gasket or O-ring if needed, and I check whether any special tools are required. A straightforward installation saves me time and lowers the chance of mistakes.
Warranty and Return Policy
I always check the warranty before buying. A good warranty gives me peace of mind in case the part fails early or turns out to be defective. I also make sure the seller has a fair return policy, because that protects me if the part doesn’t fit or isn’t what I expected.
Price vs Value
I try not to choose based on price alone. A very cheap solenoid may cost me more later if it fails quickly or causes engine problems again. I look for the best value, meaning a fair price for dependable performance, proper fit, and decent warranty coverage.
My Final Buying Tip
Before I buy, I always double-check the part number, read customer feedback, and confirm the seller’s return policy. That simple routine helps me avoid mistakes and makes me feel more confident that I’m buying a camshaft position actuator solenoid that will work properly and last.
Final Thoughts
I’ve found that the camshaft position actuator solenoid plays a bigger role than many people realize in keeping an engine running smoothly and efficiently. My key takeaway is that when this part starts to fail, it can affect performance, fuel economy, and overall drivability pretty quickly. I think paying attention to early warning signs and addressing issues promptly can help avoid bigger repairs down the road.
Author Profile
-
I’m Sylvia Bennett, a Raleigh-based writer behind Uniply Decor. I’ve always been the person who notices the little things in a home, like a drawer that sticks, a shelf that feels weak, or a lamp that makes a tired corner feel softer.
Years around home materials and everyday buying mistakes taught me to look past pretty photos and ask how products actually live with people.
Through Uniply Decor, I share honest, first-person thoughts on home products I’ve used, compared, or carefully researched, with a focus on comfort, usefulness, and choices that still feel right later.
Latest entries
- June 18, 2026Personal RecommendationsI Tested Anti Static Spray for Furniture: My Honest Review for Dust-Free, Static-Free Surfaces
- June 18, 2026Personal RecommendationsI Tested JKU Engine Cover Foam Replacement: My Easy Fix for a Cleaner, Quieter Jeep Engine Bay
- June 18, 2026Personal RecommendationsI Tested Iron On Numbers at Michaels: The Best Easy Way to Customize Jerseys and More
- June 18, 2026Personal RecommendationsI Tested the Best Dog Whistles to Stop Barking: Top Picks That Actually Work