JR 8/9/2011

2000 Lexus GS300 Base 6Cyl3.0L - Engine

Follow

I am getting p0446 on check engine light. what does this mean

check engine light is on

Answer This Question

Follow Question what's this?

( characters left)

Add Answer Community Guidelines

answers

• 
  Jimm 8/9/2011

  P0446 = Evaporative Emission Control System Vent Control Circuit Malfunction
  
  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
  

  Reply

  0
• 
  yboy82 8/9/2011

  P0446 means Evaporative Emission Control System Vent Control Circuit Malfunction. This trouble code is triggered when the PCM senses an irregularity of the anticipated voltage or an open in the purge control valve circuit.
  
  Here are the possible cause of P0446
  
  •Short or open in the vent valve control circuit
  •Clogged to vent valve
  •Defective vent valve
  •Defective PCM
  

  Reply

  0