GM Service Manual Online
For 1990-2009 cars only

Clean, Dry, Low Pressure Gas Source Notice for Isuzu Ascender - 4WD 2004

Notice: Use the EVAP Pressure/Purge Diagnostic Station J 41413 in order to provide a clean, dry, low pressure gas source. Do not substitute any other pressurized gas source. Damage may result to the EVAP system.