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For 2012+ Passat TDI
The newest generation TDIs have advanced sensor arrays that measure virtually everything in the car. This P3Car digital interface displays that sensor data directly so you can keep an eye on what is going on with your motor.
By far the fastest and easiest gauge to install, the P3Car interface connects without any modification of your car's electronics.
Special introductory pricing on gauge installed in vent.
Check out these important sensors on your TDI:
Also includes actual coolant temperature, battery voltage, RPMs, MPH and more.
From the Manufacturer:
Connect with your car in an entirely new way. Why settle for just a boost gauge? Sporting features available in products 3x the price, this is a swiss army knife of performance data, with design and integration that won't spoil the clean lines of your interior.
Specifically designed to support the Mk6 Jetta and GLI. Reads boost and all data directly from the diagnostics port for fast plug and play install.