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Standard Ignition PS637 Engine Variable Valve Timing (VVT) Oil Pressure Switch
Reliable Engine Variable Valve Timing Oil Pressure Switch
The Standard Ignition PS637 Engine Variable Valve Timing (VVT) Oil Pressure Switch is designed specifically for Porsche 928 models. This essential component features a 3-terminal configuration to ensure accurate monitoring and control of oil pressure within the VVT system.
- Compatible with Porsche 928 engine variable valve timing systems
- 3-terminal design for precise oil pressure sensing
- Standard Ignition quality and durability
- Part number PS637 for easy identification and replacement
- Engine category component for switches, solenoids, and actuators
Product Details and Specifications
The PS637 VVT oil pressure switch from Standard Ignition is engineered to maintain optimal engine performance by accurately detecting oil pressure changes in the variable valve timing system. The 3-terminal design allows for reliable electrical connections, ensuring consistent signal transmission to the engine control unit. This switch is tailored for the Porsche 928, providing a direct fit and compatibility with the vehicle’s engine management system. Using the correct part number PS637 guarantees proper function and integration with the existing engine components.
Common Applications and Problem Resolution
This VVT oil pressure switch is used to monitor and regulate oil pressure in the variable valve timing system, which is critical for engine timing adjustments and efficiency. It addresses several issues, including:
- Irregular or fluctuating oil pressure readings in the VVT system
- Engine performance inconsistencies related to valve timing
- Check engine light activation due to VVT sensor faults
- Reduced fuel efficiency caused by improper valve timing
- Potential engine misfires linked to oil pressure sensor failure
Installation Notes and Tips
When installing the Standard Ignition PS637 switch on a Porsche 928, ensure the engine is cool and the ignition is off. Disconnect the battery before removal to prevent electrical shorts. Carefully disconnect the 3-terminal connector and replace the old switch with the new PS637, making sure the terminals are securely connected. Verify proper installation by checking for any diagnostic trouble codes and confirming normal engine operation.
Quality Assurance and Warranty Information
Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The PS637 VVT oil pressure switch undergoes rigorous quality control to ensure consistent functionality. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship to support long-term use in Porsche 928 vehicles.
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1995 | Porsche | 928 | N/A | Compatible with engines that have oil pressure gauges. |
| 1995 | Porsche | 928 | N/A | |
| 1994 | Porsche | 928 | N/A | Compatible with engines that have oil pressure gauges. |
| 1994 | Porsche | 928 | N/A | |
| 1993 | Porsche | 928 | N/A | Compatible with engines that have oil pressure gauges. |
| 1993 | Porsche | 928 | N/A | |
| 1991 | Porsche | 928 | N/A | Compatible with engines that have oil pressure gauges. |
| 1991 | Porsche | 928 | N/A | |
| 1990 | Porsche | 928 | N/A | |
| 1989 | Porsche | 928 | N/A |
* 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.