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Standard Ignition AS427 Manifold Absolute Pressure Sensor
Overview of Standard Ignition AS427 Manifold Absolute Pressure Sensor
The Standard Ignition AS427 Manifold Absolute Pressure Sensor is designed for precise engine management in select Cadillac and Chevrolet vehicles. This sensor plays a critical role in monitoring manifold pressure to optimize fuel delivery and engine performance.
- Connector Gender: Male
- Connector Quantity: 1
- Connector Type: Plug in
- Includes O-ring for secure sealing
- Port Quantity: 1
- Terminal Gender: Male
- Terminal Quantity: 3
- Terminal Type: Blade
Detailed Product Description
The AS427 Manifold Absolute Pressure Sensor from Standard Ignition features a single male plug-in connector with three male blade terminals, ensuring reliable electrical connections. The included o-ring provides a tight seal to prevent vacuum leaks, which is essential for accurate pressure readings. With one port for manifold pressure measurement, this sensor is engineered to maintain consistent performance under various operating conditions. Compatible with Cadillac and Chevrolet models such as the Camaro, Corvette, and CTS, this sensor supports proper engine control and emissions management.
Common Applications and Issues Addressed
- Helps correct inaccurate manifold pressure readings
- Resolves engine stalling or rough idling caused by faulty MAP sensor data
- Improves fuel efficiency by providing accurate pressure input to the ECU
- Reduces emissions by ensuring proper air-fuel mixture adjustments
- Prevents check engine light triggers related to manifold pressure sensor faults
Installation Notes and Tips
When installing the Standard Ignition AS427 sensor, ensure the o-ring is properly seated to avoid vacuum leaks. Disconnect the battery before installation to prevent electrical shorts. Verify the connector is fully engaged and the blade terminals are clean and undamaged. This sensor is a direct replacement for the original equipment part and requires no modifications for fitment on compatible Cadillac and Chevrolet models.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications. The AS427 sensor undergoes rigorous testing to ensure durability and accurate performance. This part includes a limited warranty against defects in materials and workmanship, providing confidence in its reliability for emission control and engine management systems.
| Brand | Standard Ignition |
|---|---|
| Part Number | AS427 |
| Connector Gender | Male |
| Connector Type | Plug In |
| Notes | Includes O-Ring |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Cadillac | CTS | 6.2L | V8 | N/A | Supercharger Air Outlet Pressure Sensor | |
| 2014 | Cadillac | CTS | 6.2L | V8 | N/A | ||
| 2013 | Cadillac | CTS | 6.2L | V8 | N/A | Outlet | |
| 2013 | Chevrolet | Corvette | 6.2L | V8 | N/A | Outlet | |
| 2012 | Cadillac | CTS | 6.2L | V8 | N/A | Outlet | |
| 2012 | Chevrolet | Camaro | 6.2L | V8 | N/A | Outlet | |
| 2012 | Chevrolet | Corvette | 6.2L | V8 | N/A | Outlet | |
| 2011 | Cadillac | CTS | 6.2L | V8 | N/A | Outlet | |
| 2011 | Chevrolet | Corvette | ZR1 | 6.2L | V8 | N/A | Outlet |
| 2010 | Cadillac | CTS | 6.2L | V8 | N/A | Outlet | |
| 2010 | Chevrolet | Corvette | ZR1 | 6.2L | V8 | N/A | Outlet |
| 2009 | Cadillac | CTS | 6.2L | V8 | N/A | Outlet | |
| 2009 | Chevrolet | Corvette | ZR1 | 6.2L | V8 | N/A | Outlet |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.