P3 V3 OBD2 Digital Vent Gauge for Audi B9 (2016+) Plug & Play OEM Boost Gauge, Live Data Display, Scan Gauge & Code Reader for A4/S4, A5/S5, Q5/SQ5

P3 V3 Vent-Mounted Performance Display for Audi B9 2016 plus

Looking for a discreet, factory-look way to view real-time engine data in your B9 Audi. The P3 V3 sits inside the original air vent for a clean, stealth finish and draws live parameters from the diagnostic port for instant feedback while you drive. It is a favourite with daily drivers and enthusiasts who want proper telemetry without cluttering the interior.

Key benefits

• Simple install via the OBD II diagnostic connector with no cutting or splicing.
• Vent integration retains full airflow and keeps the cabin looking OEM.
• Turbo pressure options via ECU sensors or with the optional P3 analogue boost sender.
• Read and clear fault codes on the road for quick troubleshooting.
• Optional hard-wire solution available to free up the OBD port for other devices.

What you can view in real time

Each readout can be set to metric or imperial units.

• Boost pressure via OBD II or optional analogue boost sensor
• Coolant temperature
• Air fuel ratio, Lambda
• Vehicle speed with fine calibration in 1 percent steps from -9 percent to +20 percent
• Intake air temperature
• Throttle angle
• Ignition timing
• Engine RPM
• Exhaust gas temperature
• Battery voltage
• Programmable shift light
• Analogue input 1, 0 to 5 V linear
• Analogue input 2, 0 to 5 V linear
• Performance timers 0 to 60 mph, 0 to 100 mph, 60 to 130 mph
• Braking timers 60 to 0 mph, 100 to 0 mph

Engineered for the Audi B9 platform

Built for 2016 onward B9 models for an exact-fit vent installation and a neat, factory-style finish. Suitable for Audi A4 B9, S4 B9, A5 B9, S5 B9, Q5 B9 and SQ5 B9 owners wanting a stealth vent gauge alternative to pillar pods and stick-on screens.

Why our customers love it

We have installed and used the P3 V3 in-house and it has been rock solid. Customers praise the accurate readings, tidy cabin integration and how quickly you can access critical parameters like boost, IAT and coolant temp. It combines a hidden turbo pressure reader, live engine data monitor and DTC scanner in one compact module.

Professional fitting

Want it fitted. MJ Modifications offers installation in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Search-friendly highlights

Audi B9 vent gauge, hidden dash vent display, OBD II diagnostic port gauge, stealth boost readout in psi or bar, factory-look performance monitor, real-time engine data for A4 B9 S4 B9 A5 B9 S5 B9 Q5 B9 SQ5 B9, code reader and code clearer, vacuum and boost monitor, intake temperature display, AFR Lambda display, RPM and ignition timing display, battery voltage meter, programmable shift light, acceleration timer 0 to 60 and 60 to 130, braking distance timing, analogue 0 to 5 V inputs, optional analogue boost kit, optional hardwire to keep the diagnostic socket free.