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06-03-2004, 12:17 PM
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#1 | |
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AF Newbie
Join Date: Jun 2004
Location: Haines City, Florida
Posts: 3
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Service Engine Soon - Code P-0446B
I have a 2002 GX and this code keeps coming on. Any ideas other than tighten the gas cap before I go to Mr. Goodwrench?
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06-06-2004, 01:42 AM
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#2 | |
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AF Regular
Join Date: Apr 2003
Location: none, Alabama
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Re: Service Engine Soon - Code P-0446B
P0446 is defined as: EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL CIRCUIT MALFUNCTION. It might be the gas cap.
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06-11-2004, 01:15 PM
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#3 | |
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AF Newbie
Thread starter
Join Date: Jun 2004
Location: Haines City, Florida
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Re: Service Engine Soon - Code P-0446B
Local repair shop cleaned out a solonoid on the fuel filler line. Drove for about a week (70 miles) and the light came back on. Repair shop will do further analysis and I will keep you posted.
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06-25-2004, 10:52 AM
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#4 | |
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AF Newbie
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Problem was a faulty fuel tank pressure sensor. Fuel tank pressure was too high. Replaced sensor and no more problems.
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07-08-2004, 03:51 PM
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#5 | |
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AF Enthusiast
 Join Date: Feb 2004
Location: Arvada, Colorado
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Re: Service Engine Soon - Code P-0446B
How much did it cost you?
Jeremy |
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07-08-2004, 07:39 PM
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#6 | |
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AF Enthusiast
Join Date: Apr 2004
Location: Cedar Rapids, Iowa
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For future reference.... The P0440 code is the only code that is triggered by a loose, missing, or faulty gas cap. I have also found that a dirty air filter will trigger a P0442 code. Just a couple things I learned at work.
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