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Joined: Apr 2004
Posts: 164
cwsample
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cwsample Aug 13, 9:40pm - #248507 

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2001 Toyota Celica

Joined: Apr 2004
Posts: 164
Sherman, TX
check engine codes

My check engine light has been coming on, but in the previous post, nobody said it was a big deal because the guy at AutoZone said it was just emmissions stuff...I went back and got the actual codes. Somebody, PLEASE tell me how to fix these. That little light is getting annoying...

P0440
P0446
P0441

(Apparently, they were in random orders about 5 times.)

Anyone know what these mean exactly?

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slidr
Specialist
slidr Aug 13, 11:41pm - #248508 

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2000 Toyota Celica

Joined: Sep 2003
Posts: 3,077
Saint Louis, MO
The 440 code usually means that you did not screw on your gas cap tight enough. Always make sure that it clicks at least a couple of times.

Reset your ECU by unplugging the battery, and hopefully you won't get any more lights.

Aqua Teen Hunger Force...number one in the hood, G
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Posts: 164
cwsample
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cwsample Aug 14, 3:25am - #248509 

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2001 Toyota Celica

Joined: Apr 2004
Posts: 164
Sherman, TX
well, the light came on before, and i reset it and tightened the gas cap...but it came on again

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GreyGhost2k2
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GreyGhost2k2 Aug 14, 5:52am - #248510 

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2002 Toyota Celica GT

Joined: Jun 2003
Posts: 144
TX
Originally Posted by cwsample
My check engine light has been coming on, but in the previous post, nobody said it was a big deal because the guy at AutoZone said it was just emmissions stuff...I went back and got the actual codes. Somebody, PLEASE tell me how to fix these. That little light is getting annoying...

P0440
P0446
P0441

(Apparently, they were in random orders about 5 times.)

Anyone know what these mean exactly?


P0440 EVAP Emission Control Sys Malfunction
P0441 EVAP Emission Control Sys Purge Flow Fault
P0446 EVAP Emission Control Sys Vent Circuit Malfunction

maybe a PCV valve...if you recently install a CAI or SRI perhaps some lines were switched..and like above gas cap... my best guess. Oh maybe a sensor just went out or the sensor wire was shorted idunno

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Larry_GTS
Specialist
Larry_GTS Aug 14, 1:50pm - #248511 
2003 Yellow/Red Toyota Celica
Specialist
2003 Toyota Celica

Joined: Oct 2003
Posts: 1,154
Texas
do you have the vacume cap on the little piece that had a hose on it ? that will most likey solve your problem. I just reinstalled my Intake , * I have not cut it yet i'm waiting on my dad* and when I put the cap on and everything and drove for a few hours , not CEL so you might check that.
Joined: Aug 2004
Posts: 541
DSGB4LYF23
Senior Member
DSGB4LYF23 Aug 14, 5:09pm - #248512 

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2000 Toyota Celica GT

Joined: Aug 2004
Posts: 541
Tulsa, OK
Yeah, My Check engine light has been on every since I installed my CAI as well. and The guy @ autozone said the same thing "Emmissions"... Only when I disconnect the battery will the light go off and then a few days later Its right back on again. I gave up on that thing a long time ago. Just give up dude... SORRY ohboy
Joined: Feb 2004
Posts: 424
SeeULater
Senior Member
SeeULater Aug 14, 10:40pm - #248513 
2000 White Toyota Celica
Senior Member
2000 Toyota Celica

Joined: Feb 2004
Posts: 424
Mine does the exact same thing and I have no idea what it is. My check engine light cam on with the stock air box too. I have the same codes and I know that everything is good. If you find out what it is drop me a line
Joined: Aug 2004
Posts: 541
DSGB4LYF23
Senior Member
DSGB4LYF23 Aug 16, 8:48pm - #248514 

Senior Member
2000 Toyota Celica GT

Joined: Aug 2004
Posts: 541
Tulsa, OK
Hopefully somebody will come and help us out.
1870179537-gooff.jpg
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Posts: 164
cwsample
Member
cwsample Aug 18, 11:50pm - #248515 

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2001 Toyota Celica

Joined: Apr 2004
Posts: 164
Sherman, TX
Everything is stock. I haven't installed any Intakes or anything, so I don't know what the deal is.

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