DTC P1441: Evaporative Emissions System - Flow During Non-Purge: Notes
WARNING: This page is about a different car, the 2002 Isuzu Rodeo Sport and 2002 Isuzu Rodeo. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
EVAP Diagnostic Station (J41413) is necessary for accurate diagnosis of EVAP system. This tool will be necessary for vacuum and pressurized leakdown testing of EVAP systems. It is equipped with 2 additional gauges to measure vacuum in inches of mercury (in. Hg), and to measure vapor flow in inches of water (in. H2
O), within an EVAP circuit.