Say goodbye to bending LEDs, jump wires, and manually counting flash codes. The MX5TECH Pre-OBDII Diagnostic Tool makes troubleshooting early Mazda diagnostic systems simple, fast, and effortless.
Designed specifically for classic pre-OBD2 Mazda vehicles equipped with the under-hood diagnostic box, this handheld tool plugs straight into your engine bay, decodes system fault codes automatically, and displays clear, plain-text diagnostics right on screen. Whether you're tracking down an engine misfire, an ABS fault, or an Air Con issue, this unit takes the guesswork out of maintenance.
Key Features
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Instant Code Reading: Automatically reads and decodes fault codes for Engine, Air Conditioning, ABS, and Automatic Transmission in clear text.
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ECU Switch Testing: Easily verify throttle switches, clutch switches, and inputs with visual and audio feedback (NA models).
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Component Testing: Trigger and test the cooling fan and fuel pump directly from the device to confirm operation without running the engine.
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Live Engine & Battery Data: Monitor real-time battery voltage alongside digital engine RPM in both Base Idle and Free Running modes.
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Live Oxygen Sensor Graphing: View O2 sensor response in real-time with a live scrolling graph to quickly diagnose air/fuel issues (NA models).
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App Updatable: Easily keep your tool updated wirelessly using the MX5Tech Remote 2 iOS/Android app.
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True Plug-and-Play: Uses the factory Mazda diagnostic port—no external power cables or complicated setup required.
What’s Included & Specs
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Compatibility: Pre-OBDII Mazda cars equipped with the standard under-hood 17-pin diagnostic connector (e.g., MX-5 NA/NB). Note: Will not read aftermarket standalone ECUs.
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Updates: Supported via MX5Tech Remote 2 App.
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In the Box: 1x MX5TECH Handheld Pre-OBDII Diagnostic Tool.
Suits NA/NB8A 1989-2000