Powertrain - Diagnostic Trouble Code P0446

Date: July 1998

Order No.: P-SI-MBNA-07.6/02

Supersedes:

Group: 07.6

SUBJECT:
ALL MODELS WITH ME-SFI (ENGINES 104, 111, 112, 113, 119 AND 120)
DIAGNOSTIC TROUBLE CODE "P0446"

In the event diagnostic trouble code "P0446" is encountered when performing a DTC readout with HHT, additionally check fuel tank pressure sensor (B4/3) and purge control valve (Y58/1). Perform appropriate test steps according to Diagnostic Manual "Engines, volume 4, section 9".

It is possible for code "P0446" to be displayed due to a malfunction with the fuel tank pressure sensor (B/43) and/or purge control valve (Y58/1).

In addition to performing test steps appropriate for code "P0446", perform test steps related to codes "P0443" and "P0450" when no fault is found with the charcoal cannister shut of valve (Y58/4).