SEAT/Leon Mk1 (1998-2005) - P3 OBD2 Multi-Gauge V2

Seat Leon 1M 1998 to 2005 digital multi-function gauge for the diagnostic port

Transform your Mk1 Leon cabin with a sleek, OE-style data display that installs in minutes and delivers the live engine info enthusiasts want. This compact performance monitor plugs straight into the vehicle’s diagnostic socket for instant live telemetry, fault code reading and a clean, factory look. It is a brilliant upgrade for road, track or fast-road builds where accurate turbo and engine monitoring matters.

We run this kit on customer cars and it has been faultless. Clear readings, quick refresh and a tidy install that keeps the dash uncluttered. Our buyers love the simplicity and the depth of information available at a glance.

Why enthusiasts choose this digital gauge for Seat Leon Mk1

• Simple plug-in install via the OBD II port, no cutting required
• View live data from the car’s CAN system for precise monitoring
• Read and erase diagnostic trouble codes to save time and money
• Peak recall on key parameters so you can review max values after a pull
• Built-in boost and vacuum readings via the diagnostic connection
• Optional 80 psi pressure sensor for direct intake or charge pipe reference
• Auto-dimming or manual brightness control for day and night driving
• Two universal 0 to 5 V analogue inputs for add-on sensors
• Includes digital display, dedicated harness and control module

Live data you can see in real time

• Coolant temperature and intake air temperature
• Exhaust gas temperature
• Throttle position and engine speed
• Road speed, battery voltage and shift light
• 0 to 60 mph timer for consistent performance testing

Optional 80 psi pressure sensor

• Measure turbo pressure directly from the intake or charge pipe for pinpoint accuracy
• Connects straight into the supplied harness with no additional wiring
• Add or remove the sensor at any time to suit your setup

Tubing kit contents

• Approximately 60 inches of 5/32 inch O.D. flexible plastic line
• 5/32 inch O.D. T-piece
• Three sections of 5/32 inch I.D. vacuum hose

Perfect for the Seat Leon 1M enthusiast

Whether you are monitoring a remapped turbo setup or keeping an eye on engine health, this compact digital dash is a superb alternative to bulky pillar pods and multiple analogue gauges. It is discreet, fast to install and packed with functionality for your Seat Leon Mk1 from 1998 to 2005.

Professional fitting available

Want it installed for you? MJ Modifications offers expert fitting in Warwickshire. Email info@mjmodifications.co.uk for a tailored quote and booking.

Search-friendly terms our customers use

Seat Leon Mk1 digital gauge, Leon 1M boost gauge, turbo pressure display, vacuum gauge, live data display, OBD II code reader, fault code scanner, CANbus performance monitor, 0-60 timer, shift light, coolant temp gauge, intake air temp, EGT display, battery voltage monitor, plug and play gauge for Seat Leon 1998-2005.