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(TA248-0403) DTC P0455, P0442 & P0456 - purge valve

TECHNICAL ADVICE - Quick information for your help
Bulletin Nbr: TA248-0403
Date: ........... October 2004
Market: All
DTC P0455, P0442 & P0456 - purge valve

VEHICLES CONCERNED

Saab 9-3 Petrol engine.

BACKGROUND

A high no of purge valves exchanged, are checked at supplier and the result is "No fault found".

CONDITIONS

May appear on any vehicle with petrol engine.

SYMPTOM DESCRIPTION

Failure code P0455, P0442 & P0456.

ACTION

Before purge system is leak tested, check if filler cap is broken or not sealing correctly.


If filler cap is incorrectly fitted, one of DTC's above may appear!

If system is leak tested and no leakage is found,

DO NOT REPLACE PURGE VALVE!

Erase DTC and inform the customer of importance to tighten the filler cap properly after fuel fill.