The P3 Cars V3 vent gauge plugs straight into your Mk5 GTI’s OBD2 port and mounts cleanly in the factory air vent - no wiring, no coding, no airflow compromise.
Read boost, AFR/Lambda, coolant temp, IAT, RPM, ignition timing, throttle angle, battery voltage and more
Clear DTCs on the move, set custom shift lights, run 0-60 and 60-130 mph timers
Two 0-5V analogue inputs for wideband, meth, oil pressure or other sensors
Calibrate speedo ±20% - handy if you’ve changed tyre size or diff ratio
Fast road or track day? It delivers real data, not dashboard theatre.
