DEF Sensor Emulator for Cummins SPN 3364 FMI 9 (Cummins

SPN 3364 FMI 9 (Cummins Fault Code 3868) –DEF quality

or an aftermarket defeat device which violates the Clean Air Act

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temperature set at ambient air temperature

DEF Sensor Emulator for Cummins SPN 3364 FMI 9 (CumminsDiesel Exhaust Fluid or DEF sensor emulator is set to 75 95% fluid level(depends on size of the DEF tank), temperature set at ambient air temperature, and fluid quality at 32. 5%. Electrical connection is a DT 4 pin deutsch plug commonly used on Shaw Development DEF sensor heads. How to use DEF Sensor Emulator: Locate the DEF head The first step is to locate the DEF head in your Power Pack. Most Power Packs have the DEF head situated at the front