EVAP Fault Code P0455 Tip (TT 20-09-04)

Publication date: 2010-05-14
Reference number: TT 20-09-04

EVAP FAULT CODE P0455 TIP

TECH TIPS

Reference Number(s): TT 20-09-04, Date of Issue: May 14, 2010

VOLKSWAGEN:	1999-2002 Cabrio
GROUP:	20 - Fuel Supply

SERVICE INFORMATION

1999-2002 Cabrio - EVAP Fault Code P0455 Tip

Updated to include Quick Tip Reference For EVAP fault code P0455 concerns: If no leak is found after "smoke testing" the EVAP system, ensure the vent valve is seated properly in the housing.

The valve is included with EVAP canister assembly, P/N 1EM-201-799C, and should be checked prior to installation.

Fig 1: EVAP System Vent Valve

NOTE: For additional information on how Evaporative Emissions System and On-board Refueling Vapor Recovery System (ORVR) systems work, go to vwwebsource.com > Quick Tips > QuickTips forTechnicians > Engine Performance > Engine Management > Diagnosing a Leak Stored