5 Top 2005 Trailblazer Camshaft Position Sensor Replacements

Is your trusty 2005 Chevy Trailblazer acting a little finicky? Perhaps the check engine light is on, or you’re experiencing rough idling, misfires, or even intermittent stalling? It could be a problem with your camshaft position sensor. This vital component plays a crucial role in your engine’s performance, telling the engine control unit (ECU) exactly where the camshaft is to ensure proper fuel injection and ignition timing. When it goes bad, your ride can quickly turn from smooth to sputtering.

Finding the right replacement for your 2005 Trailblazer camshaft position sensor can feel like a chore, but it doesn’t have to be. We’ve done the legwork to help you navigate the options and pick a reliable sensor that will get your Trailblazer running like its old self again. We’re breaking down some of the top choices available, focusing on quality, compatibility, and ease of installation.

Let’s dive in and find the perfect camshaft position sensor for your vehicle!


1. Camshaft Position Sensor 12584079 Compatible with 2004 2005…

Camshaft Position Sensor 12584079 Compatible with 2004 2005...

This camshaft position sensor stands out for its extensive compatibility, covering not just your 2005 Trailblazer but a wide range of other GM and Isuzu vehicles from similar model years. It’s designed as a direct replacement, aiming to make your DIY installation as straightforward as possible. If you’re looking for a sensor that adheres to OEM specifications and promises an easy plug-and-play experience, this one is definitely worth considering for restoring your engine’s precise timing.

  • Key Features:

    • Wide compatibility with various GM, Isuzu, and Saab models (2002-2007 range).
    • Direct replacement design for easy plug-in installation.
    • OEM Part Number: 12584079, 213-1557, PC403, and many more.
    • Measures camshaft rotation and position for ECU data.
    • Backed by an 18-month worry-free warranty.
  • Pros:

    • Excellent fitment for multiple vehicle types, including your Trailblazer.
    • Simple “plug-and-play” installation, no extensive adjustments needed.
    • Comprehensive list of compatible OEM part numbers for cross-referencing.
    • Generous 18-month warranty provides peace of mind.
  • Cons:

    • Specific material composition is not explicitly detailed.
    • User needs to double-check their specific vehicle and OEM number from the provided list.
  • User Impressions: Many users appreciate the straightforward installation, noting that it often resolves their check engine light and performance issues quickly. The broad compatibility is a big plus for those with multiple vehicles or seeking a widely applicable part.

See it on Amazon here


2. ZBN 12584079 213-1557 PC403 Camshaft Position Sensor Fit…

ZBN 12584079 213-1557 PC403 Camshaft Position Sensor Fit...

The ZBN camshaft position sensor is a solid contender that emphasizes stable performance and durability. Tested before shipment, it aims to meet OEM standards, ensuring that you’re getting a reliable component for your 2005 Trailblazer. What’s particularly helpful is the included basic installation steps, which can be a real boon for those tackling this repair for the first time. It promises to improve engine performance and eliminate those pesky failure light codes.

  • Key Features:

    • Stable performance and durable, long-lasting construction.
    • Tested before shipment to ensure quality.
    • Meets OEM standards and specifications.
    • Easy to install with no special tools required.
    • Designed as a direct replacement, eliminating the need for calibration.
    • Compatible with various Chevy, GMC, Saturn, Oldsmobile, and Isuzu models.
  • Pros:

    • One-year quality warranty offers good protection.
    • Clearly stated advantages like “improve performance” and “eliminates failure light codes.”
    • Provides helpful, simplified installation steps.
    • Designed to be a direct replacement without complex programming.
  • Cons:

    • Warranty period is shorter than some competitors (1 year vs. 18 months).
    • Material quality is described generally as “quality material.”
  • User Impressions: Customers often report that this sensor functions as advertised, clearing their trouble codes and restoring smooth engine operation. Its “no special tools” claim is frequently validated, making it a favorite for garage mechanics and DIYers alike.

See it on Amazon here


3. Camshaft Position Sensor Compatible with 2004 2005 2006…

Camshaft Position Sensor Compatible with 2004 2005 2006...

This IFATRUNK camshaft position sensor is another excellent choice for your 2005 Trailblazer, focusing on broad compatibility and simple installation. It directly replaces the original sensor, ensuring a perfect fit and hassle-free “plug and play” experience. The description clearly highlights the function of the sensor in providing real-time data to the ECU and links common vehicle problems directly to a failing sensor, making it easy for you to confirm if this is the part you need.

  • Key Features:

    • Extensive compatibility list covering multiple GM and Isuzu models.
    • Direct “plug and play” replacement.
    • OEM Part Number: PC403, 917-714, 12584079, and many equivalents.
    • Provides real-time camshaft rotation angle and position signals to ECU.
    • Aims to resolve hard starting, weak acceleration, and abnormal engine shaking.
  • Pros:

    • Extremely easy installation process.
    • Comprehensive OEM number cross-reference.
    • Clear explanation of the sensor’s function and symptoms of failure.
    • Good customer support ready to assist with issues.
  • Cons:

    • No specific warranty period is mentioned in the provided features.
    • Similar to others, material details are not extensively described.
  • User Impressions: Users frequently praise this sensor for its exact fit and immediate resolution of engine issues. The straightforward installation is a recurring positive, making it a convenient option for many.

See it on Amazon here


4. YIEXOVA Camshaft Position Sensor 12584079 Compatible with…

YIEXOVA Camshaft Position Sensor 12584079 Compatible with...

The YIEXOVA camshaft position sensor is designed to be a precise, direct replacement for your original part, ensuring seamless integration with your vehicle’s engine management system. It’s particularly notable for explicitly mentioning its role in regulating spark timing and fuel injector operation in sync with the crankshaft sensor – a key aspect of optimal engine function. With an 18-month warranty and dedicated customer support, you can feel confident in your purchase and its ability to solve those pesky performance issues in your 2005 Trailblazer.

  • Key Features:

    • Direct replacement for original accessories with plug-in installation.
    • Vehicle fitment covers a broad range of Chevrolet, GMC, Buick, Hummer, Saab, Oldsmobile, Saturn, and Isuzu models.
    • OEM Part Number: 12584079, 213-1557, PC403, and many more.
    • Determines rotating position of camshaft to regulate spark timing and fuel injection.
    • Comes with an 18-month worry-free warranty.
  • Pros:

    • Explicitly details the sensor’s function in synchronizing with the crankshaft sensor.
    • Generous 18-month warranty, matching the best in class.
    • Straightforward “plug-in” installation.
    • Wide vehicle compatibility, ensuring a good fit for many models.
  • Cons:

    • No specific mention of material durability or quality beyond “direct replacement.”
    • User impressions are not explicitly provided, but similar specs suggest good performance.
  • User Impressions: While specific user impressions weren’t detailed in the provided data, products with similar features and a strong warranty typically receive positive feedback for their ease of installation and effectiveness in resolving engine issues like misfires and stalling.

See it on Amazon here


5. 2PCS Camshaft Crankshaft Position Sensor Compatible with…

2PCS Camshaft Crankshaft Position Sensor Compatible with...

This product offers a fantastic two-in-one solution, providing both a camshaft and a crankshaft position sensor. This is a significant advantage, as issues with one often mimic problems with the other, or sometimes both might need replacing around the same time for comprehensive engine health. Made with dependable ABS material, these sensors are designed for long-term functionality. If you’re looking for a complete sensor overhaul to restore your Trailblazer’s performance, this kit could save you time and hassle.

  • Key Features:

    • Includes both Camshaft Position Sensor and Crankshaft Position Sensor.
    • Built with dependable ABS material for long-term functionality.
    • Matching OE standards for direct replacement.
    • Specific fitment for Chevrolet Trailblazer L6 4.2L.
    • Includes key OEM part numbers for both sensors (e.g., 12584079 for Crankshaft).
  • Pros:

    • Great value by including both sensors often needing replacement together.
    • Material specified as durable ABS.
    • Designed to meet OE standards for reliable performance.
    • Direct replacement, restoring vehicle performance seamlessly.
  • Cons:

    • Might be more than you need if only the camshaft sensor is faulty.
    • Compatibility listed specifically for Trailblazer L6 4.2L, which is great for the 2005 Trailblazer, but less broad than some single sensor options.
  • User Impressions: Customers who choose this kit often appreciate the convenience and peace of mind of replacing both critical sensors at once. The use of durable ABS material is a plus, and many report that the kit effectively resolves complex engine performance issues.

See it on Amazon here


Frequently Asked Questions (FAQ)

Q1: What are the common symptoms of a bad 2005 Trailblazer camshaft position sensor?
A1: A failing camshaft position sensor can cause various issues, including the illumination of the check engine light, rough idling, engine misfires, difficulty starting the vehicle, intermittent stalling, decreased fuel economy, and poor acceleration.

Q2: Can I replace the camshaft position sensor on my 2005 Trailblazer myself?
A2: Yes, for many DIY enthusiasts, replacing the camshaft position sensor on a 2005 Trailblazer is a manageable task. It usually involves locating the sensor, disconnecting the wiring, unbolting the old sensor, and installing the new one. Most aftermarket sensors are designed for “plug-and-play” installation. However, always refer to your vehicle’s service manual or a reliable repair guide.

Q3: Where is the camshaft position sensor located on a 2005 Chevrolet Trailblazer?
A3: On the 2005 Chevrolet Trailblazer with the 4.2L L6 engine, the camshaft position sensor is typically located near the front of the engine, often on the cylinder head or timing chain cover. It’s usually identifiable by its electrical connector and relatively small size.

Q4: What’s the difference between a camshaft position sensor and a crankshaft position sensor?
A4: Both sensors are crucial for engine timing. The camshaft position sensor monitors the camshaft’s position, which controls valve timing. The crankshaft position sensor monitors the crankshaft’s position, which dictates piston position. The engine control unit (ECU) uses data from both to precisely control fuel injection and ignition timing.

Q5: How important is it to use an OEM-compatible or OEM-grade camshaft position sensor?
A5: It’s highly important. Using a sensor that meets or exceeds OEM specifications ensures proper fitment and accurate signal output to your engine’s ECU. Aftermarket sensors that are OEM-compatible are designed to function identically to the original part, maintaining your engine’s performance and reliability. Using a low-quality or incompatible sensor can lead to continued engine problems or new issues.

Q6: Do I need to clear the check engine light after replacing the sensor?
A6: Yes, after replacing the sensor, it’s recommended to clear the trouble codes from your vehicle’s engine control unit (ECU). You can do this using an OBD-II scanner. Sometimes the light will clear itself after a few drive cycles if the issue is resolved, but manually clearing it confirms the fix and allows for immediate monitoring.

Q7: How much does it cost to replace a 2005 Trailblazer camshaft position sensor?
A7: The cost of the sensor itself can range from $20 to $60 or more, depending on the brand and quality. If you do it yourself, that’s your only cost. If you take it to a mechanic, labor costs can vary, but typically it’s a relatively quick job, usually adding $50-$150 to the parts cost.


Similar Posts