P3 V3 OBD2/OBDII Digital Vent Boost Gauge & Scan Tool for VW Jetta Mk7/GLI (2019+) - OEM Vent Mount, Plug & Play Performance Monitor, Reads & Clears Codes

P3 V3 Vent-Integrated Performance Display for Volkswagen Jetta Mk7 and GLI 2019 onwards

Transform your factory air vent into a discreet performance hub. The P3 V3 installs neatly in the OEM vent of the Jetta Mk7 and GLI, giving you live engine data, turbo pressure monitoring and on-board diagnostics in a clean, factory-style package. We run this kit on our own cars and customer feedback has been outstanding for its stealth fitment, accurate readouts and ease of use.

Ideal for stock and tuned 2.0 TSI setups on the MQB platform, this vent pod display shows real-time parameters for fast road, track day and daily driving. It reads sensors through the vehicle’s diagnostic port and can also accept external analogue inputs for higher boost applications. Scan and reset fault codes, keep an eye on temps and pressures, and enjoy a tidy install that keeps full airflow through the vent.

Why Jetta Mk7 and GLI owners choose this vent display

• Stealth OEM appearance - sits inside the factory air register and maintains ventilation
• Quick plug-in at the diagnostic socket - no cutting required
• Use factory sensors for turbo pressure or add the optional P3 analogue boost sensor for big-boost builds
• Built-in diagnostics - read and clear DTCs and extinguish the check engine light
• Configurable units - metric or imperial for every parameter

Live data and features

• Boost pressure - via vehicle sensors or optional external P3 0 to 5V boost sensor
• Coolant temperature
• Air fuel ratio or Lambda
• Vehicle speed - calibration adjustable in 1 percent steps from -9 percent to +20 percent
• Intake air temperature
• Throttle position
• Ignition timing
• Engine RPM
• Exhaust gas temperature
• Battery voltage
• Programmable shift light
• Analogue input 1 - brown wire accepts any 0 to 5V linear output sensor
• Analogue input 2 - blue wire accepts any 0 to 5V linear output sensor
• Performance timers - 0 to 60 mph, 0 to 100 mph, 60 to 130 mph
• Braking timers - 60 to 0 mph, 100 to 0 mph

Fitment and installation

• Designed for Volkswagen Jetta Mk7 and GLI, 2019 onwards
• Simple connection to the vehicle diagnostic socket with tidy cable routing
• Want to keep the diagnostic port free for other tools - optional hardwire loom available
• Professional fitting available at MJ Modifications in Warwickshire - request a quote at info@mjmodifications.co.uk

Trusted by enthusiasts

We have installed and used this display ourselves and it has been a favourite with our Jetta customers for years. The combination of a factory-look vent pod, fast data refresh, and on-car diagnostics delivers exactly what modern VW owners want. Clean, smart and reliable.

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