Question about 2000 Toyota Celica

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2003 toyota celica gt, p0441 - 2000 Toyota Celica

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

jschoon77
  • 55 Answers

SOURCE: p0440,p0441,p0446

These codes are all for the Evaporative Emissions System.

P0440- Evaporative emissions system fault- just saying there's something wrong with the system.

P0441- Evaporative emissions system- Incorrect purge flow- saying that the system isn't purging the raw fuel vapors (hydrocarbons- HC) as well as it should.

P0446- Evaporative emissions system- Control valve circuit low- there is a valve, usually located on the charcoal canister at the rear of the vehicle, that opens to allow fresh air to enter the evaporative emissions system as the engine vacuum purges the fuel vapors from the charcoal canister and closes when purge is not needed to prevent leakage of those fuel vapors to the atmosphere (HC is a greenhouse gas and is regulated as such by the fed gov't).

Given that you have the incorrect purge flow code and the control valve code together, my bet is that the vent control valve has failed (causing the P0446) and is not opening to allow fresh air into the system to displace the air from within the system that is being pulled to the engine. Since you have no fresh air entering the system, the engine will pull a vacuum on the system instead of the vapors "flowing" into the engine (causing the P0441).


I hope that this is helpful to you!!!


ASE Master Technician with L1 and X1 Certifications; Nissan Scope Technician; Chrysler Level 3 Silver Technician- 12+ years experience.


Posted on Nov 17, 2008

blueextc3221
  • 15935 Answers

SOURCE: 2003 toyota Matrix code p0441 and p0446...need help

p0441 - Evaporative emission control system Incorrect purge flow. can be caused by a lot of things and is usually related to a small leak in the emission control evap system, try replacing the gas cap and see if it helps, if not, the system needs to be tested for a leak with the scantool or a leak tester or both.
usually you will see p0440 p0441 and p0446 together but before anything replace your gas cap and besure to tighten it down when you gas up the vehicle, 90% of the time with those codes either a loose gas cap of bad gas cap gasket is the problem

Otherwise - Might be a canister leak, defective VSV valve or hoses, bad gascap seal.

Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

Posted on Mar 17, 2009

Molson02536
  • 3854 Answers

SOURCE: What is the recommended octane rating for my 2002 Toyota Celica?

You have a high compression ratio engine and it's recommended to use 91 octane. You can get away with the 89 octane, but the higher the better for the engine. Less chances of detonation (Engine Knock), Take note that it's best to keep faith full on servicing the Engine for Oil and filter changes. Good luck and keep me posted, be glad to help.

Posted on Jun 12, 2009

  • 3 Answers

SOURCE: passenger side power window won't roll up.2003 toyota celica

i would suggest getting a replacement e/w motor from the breakers yard and swithing it over. much cheaper then paying for a diagnostic!! its not a big job and shouldt cost much. id def use breakers for new motors as toyota charge a massive price for everything!!!!

Posted on Jun 29, 2009

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Pocket scan PO441 code


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Possible causes- Missing Fuel cap
- Incorrect fuel filler cap used
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Tech notes There are factory service bulletin for the following Toyota models:




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P0440, P0441, P0446


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Passenger side power window won't roll up.2003 toyota celica


i would suggest getting a replacement e/w motor from the breakers yard and swithing it over. much cheaper then paying for a diagnostic!! its not a big job and shouldt cost much. id def use breakers for new motors as toyota charge a massive price for everything!!!!

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Removal of headlight housing to replace lowbeam bulb.


found this online- haven't tried yet though--
How do you change a headlight bulb on a 2003 Toyota Celica GT? Under the plastic covering the headlight there is a lot of fog and condensation and I want to clean it off, so how do I take off the plastic that covers the headlight?
  • 9 months ago
Seem to be seal is wear off
already on the front cover
The way to open that
1. There is four screws at the back of
the headlights and unscrew them
2. Pull the headlight and dry it
by wiping or heat of the sun or
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3. Buy silicon and seal the headlight
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This will help kept away fog
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