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2001 Chevy Malibu P0446 code - check engine light on

Tiny
SWEETGUYBL
  • MEMBER
  • 2001 CHEVROLET MALIBU
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 38,000 MILES
I have replaced vent valve solenoid, evap cannister, and still get the P0446 fault code. What should I do next?
Tuesday, September 14th, 2010 AT 8:46 PM

4 Replies

Tiny
MADMIKE1735
  • MECHANIC
  • 951 POSTS
Have you smoked the system? Without a snap-modis, and a smoke machine, its almost impossible to figure out faulty evap components.
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Tuesday, September 14th, 2010 AT 8:47 PM
Tiny
SWEETGUYBL
  • MEMBER
  • 3 POSTS
Not exactly sure what smoking the system means and what is a snap-modis?
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Wednesday, September 15th, 2010 AT 9:04 PM
Tiny
MADMIKE1735
  • MECHANIC
  • 951 POSTS
When you smoke the system, there is a tool used to fill the evap system with smoke in order to find a leak. The Snap On modis is a very expensive diagnostic tool that can be used to activate, or deactivate system components.
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Thursday, September 16th, 2010 AT 11:07 AM
Tiny
SWEETGUYBL
  • MEMBER
  • 3 POSTS
Thank you for your fast excellant answers. This is what I need to do now and I am sure I will be back to this site as it has proved to me to be very valuable.
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Thursday, September 16th, 2010 AT 7:17 PM

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