Pontiac Solstice Camshaft Position Sensor: A Guide for 2006-2009 Models
Solving stalling, starting, and performance issues in your 2006-2009 Pontiac Solstice starts here.
- Confirm your Check Engine Light code. P0340/P0341 points to this sensor, while P0010/P0014 indicates a problem with the actuator solenoids.
- Replacement is very simple, requiring only a 10mm wrench and about 15 minutes of your time.
- Due to the sensor's critical function and the low price, choosing a high-quality brand like ACDelco, Delphi, or Standard Ignition is recommended.
- Symptoms include no-start, stalling, and poor performance, which can be a safety issue.
Is it the Sensor or the Solenoid? A Common Point of Confusion
When diagnosing engine problems on the Solstice, many owners confuse the Camshaft Position Sensor with the Camshaft Position Actuator Solenoid. They are different parts with different functions.
- Camshaft Position Sensors (This Article): These are small sensors that read the position of the camshafts. A failure here will cause issues like stalling, no-starts, and rough running, often with a P0340 or P0341 trouble code.
- Camshaft Position Actuator Solenoids: These are larger, cylindrical solenoids located right on the top-front of the engine cover. They control the variable valve timing system. A failure here typically causes codes like P0010, P0011, P0013, or P0014. 🎬 Watch: How to replace the camshaft position actuator solenoids
Symptoms of a Failing Camshaft Position Sensor
A bad camshaft position sensor sends incorrect or no information to the engine computer. This can make your Solstice run poorly or not at all. Look out for these common signs:
- Check Engine Light: This is often the first warning. The most common trouble code is P0340.
- Engine Won't Start: The engine may crank but fail to start because the computer doesn't know when to fire the injectors and spark plugs.
- Stalling: The car may stall unexpectedly, especially at idle or low speeds.
- Rough Idle and Misfires: The engine may shake or run unevenly when stopped.
- Poor Acceleration: You might notice a significant lack of power or hesitation when you press the gas pedal.
- Reduced Fuel Economy: When engine timing is off, fuel isn't used efficiently, leading to more trips to the gas station.
Choosing the Right Aftermarket Sensor
For critical engine sensors, quality and reliability are important. While you can save money with aftermarket parts, not all brands are created equal. We can group the available brands into tiers based on their reputation for electronics.
Tier 1: OEM and OEM-Supplier Brands
These brands are either the original equipment manufacturer for GM or have a long history as a primary supplier. They offer the highest level of fit, function, and durability, making them the safest choice.
- ACDelco: As GM's in-house parts brand, this is the closest you can get to the original factory part.
- Delphi: A former part of GM, Delphi is a major OEM supplier known for high-quality electronics. Many consider their sensors to be of equal quality to ACDelco.
Tier 2: Reputable Aftermarket Brands
These brands are well-known in the aftermarket and generally produce reliable parts that meet or exceed OEM specifications. They offer a good balance of price and quality.
- Standard Ignition (SMP): A long-standing, trusted name in engine management and ignition parts.
- NGK/NTK: Famous for spark plugs, but also a respected manufacturer of engine sensors.
- Dorman: Known for providing a wide range of aftermarket solutions, often with design improvements over the original.
- Hitachi: A major OEM supplier for many Japanese brands, known for excellent electronics.
Tier 3: Value-Oriented Brands
These brands focus on providing a functional part at the lowest possible price point. They can be a good option for a budget-conscious repair, but may not have the same long-term reliability or precise tolerances as higher-tier brands.
- Global Parts, Prenco, Spectra, True Tech, URO Parts, Walker Products, Holstein
Cost Comparison
The cost for a new camshaft position sensor is relatively low, but prices vary. Shop labor is minimal due to the easy access.
| Part Type | Price Range |
|---|---|
| New Aftermarket | $24.21 - $67.51 |
| New OEM (ACDelco) | $146 - $232 |
| Shop Labor | $37 - $54 |
Simple DIY Installation
Replacing the camshaft position sensors on the 2.4L Ecotec engine in the Solstice is a straightforward job that most DIY mechanics can handle. The two sensors are located on the cylinder head and are held in by a single bolt each.
- Locate the Sensors: Find the two sensors on the cylinder head. One is for the intake cam, the other for the exhaust.
- Disconnect the Connector: Carefully disconnect the electrical connector from the sensor.
- Remove the Bolt: Use a 10mm wrench or socket to remove the single mounting bolt.
- Remove the Sensor: Gently twist and pull the sensor to remove it from the engine.
- Install the New Sensor: Lightly lubricate the O-ring on the new sensor with clean engine oil. Insert the new sensor and install the bolt. Torque the bolt to 10 Nm (89 lb-in).
- Reconnect and Test: Reconnect the electrical connector. It's a good idea to clear the trouble codes with a scan tool and test drive the vehicle to confirm the repair. 🎬 See this walkthrough on how to test and replace the sensor
Frequently Asked Questions
Should I replace both camshaft position sensors at the same time?
It's not strictly necessary, but it is often recommended. Both sensors are the same age and have been exposed to the same conditions. If one has failed, the other may not be far behind. Given the low cost of the part and easy access, replacing them in pairs can save you from a future breakdown.
Do I need a special tool or a relearn procedure after replacement?
No special tools are required beyond a basic 10mm wrench. While some vehicles require a computer relearn procedure after sensor replacement, it is generally not needed for the Pontiac Solstice for this part. The engine computer will adapt to the new sensor's signal after a few drive cycles. 🎬 Watch: A step-by-step sensor replacement on a similar Ecotec engine Clearing the codes with a scan tool is recommended.
Can a bad camshaft sensor damage my engine?
Directly, it's unlikely to cause mechanical damage. However, driving for an extended period with severe symptoms like misfiring or stalling can put extra stress on other components, like the catalytic converter, from unburnt fuel.
Could an oil leak cause the sensor to fail?
Yes. Oil and other contaminants leaking onto the sensor or its connector can cause it to fail prematurely. When replacing the sensor, inspect the area for any leaks from the valve cover gasket that should be addressed.
Helpful Videos
Technical Specifications
OEM Part Numbers: 12585545 12591720
The Pontiac Solstice uses two camshaft position sensors, one for the intake and one for the exhaust camshaft. Both sensors are identical parts. They are 3-pin magnetic sensors that read the camshaft's position and send a digital signal to the ECM.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Pontiac Solstice:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Is it the Sensor or the Solenoid? A Common Point of Confusion
- Symptoms of a Failing Camshaft Position Sensor
- Choosing the Right Aftermarket Sensor
- Tier 1: OEM and OEM-Supplier Brands
- Tier 2: Reputable Aftermarket Brands
- Tier 3: Value-Oriented Brands
- Cost Comparison
- Simple DIY Installation
- Frequently Asked Questions
- 🎟️ Get 5% Off