Engine Link - OBD II diagnosis 4+

Vehicle monitoring & diagnosis


Designed for iPhone

    • 2.8 • 59 Ratings
    • $5.99

iPhone Screenshots


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 (LELink, LELink2, Carista, Viecar) 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 Bluetooth Low Energy (for iPhone4s and later) or Wi-Fi adapter to work.

You can check Developer WebSite for Adapter Guide: http://www.outdoor-apps.com/enginelink.html

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

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

What’s New

Version 8.0

Added more PID files.
Code optimization.

Ratings and Reviews

2.8 out of 5
59 Ratings

59 Ratings

DanSz1138 ,

Custom interface panels are clunky at best

Ok. It works with LeLink and it works with custom PIDs. I wish for a way to delete the default screens I don’t use (I have an EV) and more screens with smaller blocks for more data on the screen. I’ve heard there’s a new app on the block for iOS that does what this does.

Bigballwiggles ,

Doesn’t show certain sensors and dtc’s

The app definitely works. Except I don’t get the codes showing in this app that I get when I take it to the automotive store. I’m guessing because it uses a generic OBDII list of trouble codes. I have P0327 which is a knock sensor low input that doesn’t show in this app. I also have an ABS sensor and and YAW sensor malfunction that doesn’t show up in Engine Link.

PriusRob ,

For Gen II Prius

Haven’t had codes to read or clear yet but what I like most is the PID values for Prius hybrid battery. Shows the 14 block voltages and internal resistance in real time, plus inverter temperature and many other hybrid system values. A better user interface would make it a 5 star app for my needs. But just the Prius specific values make it well worth $5.99.

App Privacy

The developer, K SOLUTION LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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