Getting startedSetting up a new EngineMon: which cars are supported, what you need, signing in, Bluetooth permissions, plugging in and registering the device, adding your car, the first drive, the button and lights in short, what to do if the app can't find the device, setting up a used device.

Your car

Your carsThe Cars list and the phone's Garage, how cars get added, the car page and its cards, vehicle details, drive history, emissions readiness, overrevs, ECU statistics, tools, and renaming a car.Health and trouble codesWhat to do when the check engine light comes on, the health report and its statuses, detected issues, diagnostic trouble codes and their severities, stored and resolved codes, dismissing and ignoring, and clearing codes.Live dataWatching your car's sensors as you drive: opening live data on the web and phone, what each status means (Live, Streaming, No signal, Waiting for device, Catching up), building the dashboard with widgets and warning thresholds, saved views and layout sync, phone settings (auto-open, lock screen, engine start, full screen, status border), who can watch, and offline use over Bluetooth.Drive logsWhen a drive shows up and why it might be missing, log statuses and reimporting, uploading and bulk export, the analysis page (Summary and Charts), zoom, cursors and keyboard shortcuts, plots, custom sensors, saved views, tags and share links, CSV downloads and CSV settings, and logs in the phone app.

Your device

Your deviceIs your device working (last sync, car, activity badges), adding Wi-Fi (2.4 GHz only) and what each Wi-Fi status means, using your phone's hotspot (iPhone Personal Hotspot, Android), firmware updates and failed updates, factory reset, device settings and the Troubleshooting screen in the phone app, the button and lights, sleep.How syncing worksHow drives get from the device to EngineMon: the device's own Wi-Fi or your phone over Bluetooth, whether your phone needs to be in the car, background sync, Catching up and Syncing old data, when a drive shows up and why one is missing, sleep while parked, a car left for a week, low car battery, Data & storage.

Sharing and ownership

Sharing a carShare a car with others: viewer, editor and owner roles, adding people, changing roles, removing someone, view-only share links, leaving a car, access requests when your device is plugged into someone else's car, and what Device has no access means.Buying and sellingHand over a car or device when you sell, buy or give one away: transferring a car, claiming a car still on the seller's account, transferring a device, claiming a used EngineMon, answering someone's claim, Ownership changes, Past cars, the 7-day and 30-day deadlines, what happens to history, Wi-Fi and drives, and removing a car or device.

Account

Alerts and notificationsThe alerts inbox on web and phone, what each notification category means, push and email settings, quiet hours, unsubscribing from emails, phone permission and Android notification channels, car battery alerts, alert rules through EngineMon AI, and why an alert didn't arrive.Account and settingsCreating an account, confirming your email, signing in with Google or Apple, forgot password, changing your username, email, phone or password, units, log trimming, dark mode, phone app settings (background sync, Location logging, Data & storage, switching accounts, log out), API keys, orders, and deleting your account.

Getting help

EngineMon AIWhat EngineMon AI can do, opening it on the web and phone, what it can see, changes it makes after you approve them (alert rules, sharing, tags, settings), what it can't do, question limits and error messages, chats, privacy and location data, and asking it to open a support ticket.TroubleshootingFixes by symptom: the app can't find the device, registration failed, the car didn't show up after setup, a drive isn't showing up, an old Last sync or a device that seems offline, Catching up, Wi-Fi that won't connect (including a phone hotspot), a firmware update that won't start or failed, live data showing nothing (Waiting, No signal, not available), a log that says Failed or Not processed, Clear codes missing or refused, Device has no access, a shared car you can't see, hidden drives in someone else's car, missing notifications, a forgotten password or confirmation email, starting over with a factory reset, and contacting support.