P0327 Code: Knock Sensor Low Input Causes & Fix
Learn what triggers the P0327 knock sensor low-input code, how serious it is, and how to diagnose the sensor, connector and wiring step by step before replacing parts.
Jul 27, 2026
24/7 Customer service
USD
Add your vehicle to ensure fitment/Choose a yearRequired Fields
Select a different vehicle
Make/Model
VIN
Save
GMC P3500 Knock Sensor
2 itemsGet a reliable Knock Sensor for your vehicle at A-Premium. Our high-quality sensors are designed to accurately detect engine knocking, helping to prevent costly damage. Browse our selection today and enjoy fast, free shipping on your order.
- All filters
- Sort By
- Year
- Price
- Brand
- Warranty