(The tool will work with any DSO, and comes with both BNC and banana fittings). With the ES300 connected, the next step is to bleed any air out of the sensor much like you would your fuel pressure gauge, and then connect the sensor to the scope and running the engine. It also comes with an adaptor that allows it to be connected to vehicles without a Schrader, using the quick disconnect coupling common to many professional fuel injection pressure testers. This tool connects to the fuel rail at the supplied Schrader valve. Today, I’d like to share another product from SenX…the ES300 Fuel Pressure transducer. I’ve used the SenX FirstLook transducer for many tests involving low pressure or vacuum pulses, and have shared those tests in the past.
There is another way to check this flow, and it uses a DSO and a special pressure transducer. Injector balance can also be done using a tool that fires the injectors individually while you measure the drop with your fuel pressure tester, but this can be a time consuming task. Some OEM scan tools, as well as some high end aftermarket tools, allow you to perform power balance and/or injector balance tests on those OEs that support such a test. Fuel flow and injector faults can result in drivability problems.
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