how do I check injector duty cycle with a multimeter?
#1
how do I check injector duty cycle with a multimeter?
I want to measure the injector duty cycle using a multimeter. There are two wires into the injector. I would think that I should ground one wire of the multimeter and tap into one of the injector wires. But which wire do I tap into? Or, do I not ground the multimeter wire and tap into both injector wires? I don't have a VAG-COM
1997 2.8.
1997 2.8.
#2
To check duty cycle, you need something that can measure time; a multimeter generally cannot do this. If you have an oscilloscope you can find out the duty cycle by measuring the time between open/closed. Best way is VAG-COM since you can get readings direct from the ECU, but maybe somebody can chime in with another alternative (I can't think of any).
#5
http://en-us.fluke.com/training/training-library/test-tools/digital-multimeters/how-to-measure-duty-cycle-with-a-digital-multimeter.html
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