Mazda MX5/Miata NB Pre-Facelift, non-VVT 1.8L Engine (1998-2000) Link G4X Plug In ECU

Mazda MX5/Miata NB Pre-Facelift, non-VVT 1.8L Engine (1998-2000) Link G4X Plug In ECU

$2,294.00 Sale

This is the latest Link G4X Mazda MX5 1600 & 1800 (89-96) Plug-in ECU.

Designed for the Pre-Facelift MX5 NB (MY1998-2000, 3 Plug ECU, non-VVT 1.8L Engine)

  • Please check your connector matches the header in the listed photo before purchasing.  
  • This ECU works for manual transmissions only.  
  • Includes onboard 7 bar MAP sensor 
  • Most factory features are supported 
  • Check the features tab for I/O expansion options 


Note: This Plug-in features a new 4 pin powered CAN connector and cannot use the old CANPCB cable for CAN connection. Use the CANJST4 (Link PN 101-0198) cable for connecting CAN devices. This new 4 pin port and cable provide not only the CAN connection, but also a protected 12V power supply and ground for powering the CAN devices. The power supply is protected by a self-resetting fuse rated at 3A continuous.

  • G4X PlugIn Key Features (where applicable):
    Up to 6D fuel and ignition mapping
    Precision closed loop cam control (four cam, independent control)
    Sequential fuel delivery
    Digital triggering, all OEM patterns
    OEM idle hardware supported
    5D boost control with three switchable tables
    Motorsport features - antilag, launch, flat shift
    Continuous barometric correction (on board)
    CAN port
    QuickTune - automated fuel tuning
    Individual cylinder correction
    USB tuning cable included
    Stats recording into on-board memory
    Gear compensations for spark, boost and fuel
    Real time selectable dual fuel, ignition and boost maps
    Sync and crank sensors can be a combination of Hall effect, variable reluctance or optical
    Boost control referenced to gear, speed or throttle position
    512 mega bytes data logging memory
    Staged injection
    Knock with "windowing"

    I/O Expansion Options:
    The following expansion connector inputs/outputs are provided: 

    Expansion Connector 1 
    Pin 1                An Temp 4
    Pin 2                An Temp 3
    Pin 3                DI 10
    Pin 4                DI 9 
    Pin 5                DI 8 
    Pin 6                DI 7
    Pin 7                IGN 4
    Pin 8                IGN 3

    E-Throttle Connector 
    Pin 1                Ground (signal)
    Pin 2                +5V out
    Pin 3                An Volt 12
    Pin 4                An Volt 11
    Pin 5                An Volt 10
    Pin 6                An Volt 9
    Pin 7                Aux 10
    Pin 8                Aux 9

    Link G4X ECUs do not require the use of an air flow meter. The engine can be converted to speed density using  MAP sensor and an intake air temperature (IAT) sensor ( air temp sensor sold separately ) 

    The G4X Mazda MX5/Miata NB Pre-Facelift, non-VVT 1.8L Engine (1998-2000) plug-in ECU comes with a non-engine-specific base map. The ECU will need to be configured for the engine type and then tuned by a professional. The ECU comes with free PCLink software.

    We can also provide the following with your new Link ECU at an added cost:
    - Fuel System Upgrades
    - Turbosmart Wastegates, Blow off valves and Fuel Pressure Regulators
    - Boost Control Solenoids
    - Dyno Tuning
    - Engine sensors and plugs etc
    - Full Link ECU engine wiring installation available at an extra cost
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