However, the amount of OBD2 parameters obtained will depend on the specific OBD2 protocol of the vehicle. How to Interpret Generic Scanner DataĪll 1996 and newer vehicles sold in the USA are OBD2 compatible. You want to make sure your car/truck is in Closed Loop mode. This just means that the engine is warmed up to a nice 180-190*F so you’re seeing the true numbers from the sensors rather than the generic numbers from the computer. OBD2 scanner for iPhone/iOS – You’ll also need to download an app like OBD FusionĪfter you’ve got that done, make sure it’s plugged in to the port and paired with your phone (if you have a wireless one).OBD2 scanner for Android – You’ll also need an app like Torque Pro (paid) or Torque Lite (free).We’ve written lots of articles about different scanners that we use, so check out these if you don’t yet have one:
First Things Firstīefore starting your engine diagnostics, you’re going to need a code reader, aka OBD2 Scanner. And while the data alone will not reveal the exact fix needed to sort out any problems with the motor, it will give you a bird’s eye view of the problem so you can pinpoint the actual fault.īut in order to do this, you’ll need to learn how to read live data from your OBD2 scan tool. This especially holds true for import European vehicles that demand a higher level scanning tool.īut now, even the most basic OBD2 scanner can not only scan and read diagnostic trouble codes (DTC). Learning how to interpret the live data from an OBD2 scanner is an excellent way to diagnose drivability problems in your ride.īefore cheap OBD2 scan tools became mainstream, mechanics had to purchase expensive factory scan tools. It doesn’t matter if you have a wired or wireless code reader, or if you prefer Wi-Fi over Bluetooth depending on your preferred device. Hey I’m Matt – Most DIY car fixes can be easily achieved using a basic OBD2 scan tool and today we’re going to help you understand how to read live data from OBD ii diagnostic scanners. Intake Air Temperature and Air Injection.STFT (short-term fuel trim) and LTFT (long-term fuel trim).Using OBD2 scanner to troubleshoot live engine sensor data.
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