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Engine Link - OBD II vehicle monitoring and diagnosis


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EngineLink will turn your iPhone/iPod into vehicle / car performance / diagnostics tool and scanner that uses an OBD II WIFI adapter or a low Energy Bluetooth adapter to connect to your OBD2 engine management / ECU.

The only iPhone app does custom PID, now supports Torque custom PID file.

* Emission Test.
* See what your car is doing in real-time.
* Read and clear OBD fault codes.
* Display car performance and sensor data.
* Customizable gauges, showing only the data you were interested in
* Top Ranked Car App
* No in-app purchase and No subscription fees!

+ Show and reset a DTC / CEL / fault code (current, pending and history) like a scan tool
+ Graph data
+ MPG widget to plot real time fuel efficiency
+ Heads up display / HUD mode for night time driving (mirror the display on your vehicle's windshield)
+ Can read Transmission Temperatures (vehicle dependant)
+ Horsepower/HP & Torque / acceleration
+ Boost / vacuum gauge
+ Engine speed / Engine RPM / Engine Load /Coolant / Fuel Tank
+ Customizable dashboard
+ Full configurable GUI with user choice of dial gauge, bar gauge, plot gauge, digital gauge, and on-off gauge as display elements
+ Full custom PID support.
+ Formula support.
+ Preloaded GM and Ford PID libraries
+ Preloaded standard PID library and Prius PID libraries .
+ User can add more libraries within the app or by using iTunes File Sharing
+ Multiple ECU support. Non-CAN, 11-bit CAN, and 29-bit CAN ECU bus types
+ Multiframe data support
+ Background color option
+ Email user log function (access by long pressing custom PID screen)
+ Multiple PID formula support
+ 0 to 60mph timer and quarter mile timer

EngineLink supports all OBD-II and EOBD compliant vehicles sold worldwide. If in doubt check with your manufacturer first or look for 'OBD2' on written on a big white label in your engine bay.

The app needs an ELM compatible Wi-Fi or Bluetooth Low Energy (for iPhone4s and later) adapter to work.

You can check Developer WebSite for Adapter Guide:

*** If you have Bluetooth OBD adaptor, please contact for instruction before you purchase this app.

Drop us an email for any suggestions/questions you may have at We will answer.

What's New in Version 5.2

Rearranged trouble code reading and clearing buttons and added warning messages.

iPhone Screenshot

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Customer Reviews


Can't connect and it shows nothing

Works perfect!

Get an obd adapter from eBay. Connected to my Car right away. Cool interface, tons of features. Like the fire theme and metal theme. Fast fresh rate. It does check trouble code, shows current code, pending code, even history code, clear code, super easy to use. Created transmission temp gauge, battery gauges so I can monitor them real time. So much you can do. Invaluable app!

Engine Link - OBD II vehicle monitoring and diagnosis
View In iTunes
  • $5.99
  • Category: Utilities
  • Updated:
  • Version: 5.2
  • Size: 8.1 MB
  • Languages: English, Bokmål, Norwegian, Catalan, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hungarian, Italian, Japanese, Korean, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Traditional Chinese, Turkish
  • Seller:

Compatibility: Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

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