VUE AWD V6-3.5L VIN 4 (2004)
Evaporative Emissions Hose: All Technical Service Bulletins
Emissions - SES Lamp ON/DTC P0446/Hard To Refuel
Bulletin No.: 05-06-04-059
Date: September 07, 2005
TECHNICAL
Subject:
Fuel Nozzle Shuts Off Intermittently or Prematurely During Fuel Fill and/or SES Lamp On with DTC P0446 EVAP Vent System Performance Set
(Inspect EVAP Canister Vent Hose and Replace As Needed)
Models:
2005 Chevrolet Equinox
2002-2005 Saturn VUE
Attention:
Fixed Operations Manager and Technician
Condition
Some customers may comment on gas station fuel nozzles shutting off intermittently or prematurely during fuel fill, and/or that the Service Engine Soon
(SES) lamp is illuminated with diagnostic trouble code (DTC) P0446 Evaporative Emission (EVAP) Vent System Performance set.
Cause
This condition may be caused by a partial restriction of the EVAP canister vent hose.
Correction
Inspect the EVAP canister vent hose for any restriction. If a restriction is found that resembles a ball of cotton, this may be a "spider nest." If such a
restriction is found, replace the EVAP canister vent hose with a second design hose that includes a screen.
Service Procedure
1.
Inspect the EVAP canister vent hose for any restriction.
^
If no restriction is found, refer to DTC P0446 diagnostics in SI or the appropriate model year Chevrolet Equinox or Saturn VUE Service
Manual to continue to diagnose the concern.
^
If any restriction is found, proceed to Step 2.
2.
Replace the EVAP canister vent hose with a second design hose. Refer to "Vent Hose Replacement" procedure in SI or the appropriate model year
Chevrolet Equinox or Saturn VUE Service Manual.
Parts Information
