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Circuit/System Verification

IMPORTANT: Larger volume fuel tanks and/or those with lower fuel levels may require several minutes for the floating indicator to stabilize. Refer to J 41413-200  operation manual for detailed instructions in Evaporative Emission System Diagnosis . See Special Tools .
  1. Connect the J 41413-200  nitrogen/smoke hose to the J 41413-311  brass cone adapter. Disconnect the hose at the fuel cap end of the GE-41415-50  . See Special Tools . Connect the J 41413-311  to the disconnected hose on the GE-41415-50  . See Special Tools . Install the GE-41415-50  filler neck end only to the vehicle. See Special Tools .
  2. Seal the system with a scan tool and use the flow meter on the J 41413-200  calibrated to 0. See Special Tools .51 mm (0.020 in) to determine there is no leak in the EVAP system.
    • If a leak is detected, use the J 41413-200  to apply smoke to the EVAP system at the filler neck until the leak is located. See Special Tools .
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