Obd Mary
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Description
Imagine having a mechanic in your pocket, ready to read every pulse of your engine, warn you about lurking issues, and even log every mile of your journey. OBD Mary delivers exactly that—plus a sleek gauge dashboard and a trip computer that feels like a built‑in dashboard from a sports car. Whether you’re a DIY enthusiast or just curious about what’s happening under the hood, this app transforms your Android device into the ultimate OBD‑2 diagnostic companion.
Decode Trouble Codes Faster Than a Pit Stop
Forget the headache of cryptic error messages. OBD Mary pulls OBD‑2 trouble codes from any compliant control unit, then instantly displays clear descriptions. Tap a code and watch the app launch a quick internet search, so you know exactly what’s wrong—no extra research needed. Need to reset the light? A single tap clears the code, letting you verify the fix right there on the road.
Clear Codes with a Tap
Resetting a fault is as easy as selecting “Clear” and confirming. The app confirms the reset, so you can drive away confident that the warning light won’t reappear unless a real problem persists.
Peek Inside Every ECU, From ABS to HVAC
Your vehicle houses dozens of electronic control modules, each with its own set of parameters. OBD Mary reads and monitors them all: ABS, SRS, airbags, climate control, and more. You’ll see live data like RPM, coolant temperature, MAF readings, and vehicle speed—all in one place. This deep insight helps you spot subtle issues before they snowball into expensive repairs.
Build a Gauge Dashboard That’s Uniquely Yours
Why settle for a generic dashboard when you can design yours? OBD Mary lets you craft a personalized set of gauges, tweaking size, colors, needle positions, labels, and backgrounds to match your style. Drag and drop each gauge with your fingers, resize on the fly, and watch your custom dashboard come to life. It’s like having a high‑tech cockpit glued to your phone.
Track Every Trip Like a Pro Driver
Keep the ELM327 adapter plugged into your car at all times and let OBD Mary log every detail of your journeys. The trip computer captures:
- Time spent on the road
- Fuel consumed and cost
- Average and maximum speeds
- And much more
Review past trips, spot fuel‑efficiency trends, and optimize your driving habits—all from a clean, easy‑to‑read interface.
Getting Connected: Pair Your ELM327 Adapter in Minutes
1. Download OBD Mary and launch it. 2. Plug the ELM327 adapter into the 16‑pin diagnostic connector under your dashboard. 3. Turn the ignition on. 4. Open your Android’s Bluetooth settings and discover the adapter. 5. Return to OBD Mary, head to app settings, and select the discovered ELM327 device. 6. Tap “Connect” and you’re ready to read data.
If you own a version 2.1 adapter, you might encounter occasional glitches. For the smoothest experience, opt for a 1.5 unit when possible.
Stay Safe, Stay Informed
Before you dive into deep diagnostics, remember a few quick tips: always check that all ECUs are powered before pulling data, and keep the adapter protected from moisture and extreme temperatures. By staying proactive, you’ll get the most reliable readings and keep your vehicle running like new.
What's New
Updated DTCs reading UI
Fixed some bugs





