To do a fuel injector resistance test, you don't need a whole lot of stuff, since the most important tool you'll need is a multimeter (which can either be an analog multimeter or a digital multimeter). Here's a basic list of tools you'll need: 1  A multimeter. 2  You'll only be using the multimeter to check resistance (Ohms). OBD I scan tool or code reader. 2  To actually test the fuel injectors, you don't need a scan tool (since a scan tool can't dynamically test the fuel injectors). 3  But, having one makes the whole process easier... 4  since you're able to retrieve any diagnostic trouble codes (DTCs) stored in the PCM memory.
VZAccess Manager enables your devices to switch between the two so you can access the Internet in most places. What VZAccess Manager Does VZAccess Manager allows you to use your Verizon Wi-Fi-enabled devices, such as a BlackBerry or PC express card, to connect your laptop to the Internet. Once youâve connected the two devices with a USB cable, the Access Manager searches for nearby broadband hotspots and either connects you to one or gives you Internet access through Verizon NationalAccess.
If your ZTE U812 does not sport TWRP or CWM, itâs totally fine; there is absolutely no need for a custom recovery. You will now have to start searching for VRoot_1.6.0.3690. This is the complete name of the rooting manager we are using for our guide.Once you find the tool online, you need to look at these guidelines: 1  save the file on your computer after youâve downloaded it there; 2  install the VRoot_1.6.0.3690 on the U812; 3  open this file; 4  find out how to root your smartphone. you will get access to tweaks with which you will be able to change what you donât like about your U812; â and more. The VRoot is the kind of root manager which works on various Android versions (starting from the 4.0 and continuing on to the 4.3 variant).