保养维修需要大牛出手！2002 Impala LS 报P0446错。

mrsub · Dec 19th, 2012, 16:17

Causes

A code P0446 could mean one or more of the following has happened:

Faulty vent valve
Open, short or excessive resistance on Vent valve control circuit
Blockage of vent valve
Bad PCM

Possible Solutions

With a P0446 OBD-II trouble code, here are some things to try:

Replace Vent valve
Repair open, short, or resistance problem in control circuit
Repair open, or short, or resistance problem in power circuit
Replace PCM

Dec 19th, 2012, 16:17	#1
mrsub 西出阳关注册日期: May 2012 住址: Markham， ON 帖子: 117	Causes A code P0446 could mean one or more of the following has happened: Faulty vent valve Open, short or excessive resistance on Vent valve control circuit Blockage of vent valve Bad PCM Possible Solutions With a P0446 OBD-II trouble code, here are some things to try: Replace Vent valve Repair open, short, or resistance problem in control circuit Repair open, or short, or resistance problem in power circuit Replace PCM
mrsub 西出阳关注册日期: May 2012 住址: Markham， ON 帖子: 117