Question about 2000 Toyota Camry

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Any idea what is causing my CEL on and Track OFF?

2000 Toyota Camry V6. Check engine light is on and Track OFF is on. Codes that I got are: P0440, P0441, P0446, C1201 and B2796.

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  • Contributor
  • 42 Answers

Sounds like a speed sensor-however its been years since I was a Toyota Manager & I don't have the code's reference anymore-Good Luck-JT

Posted on Nov 12, 2014

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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

  • 1861 Answers

SOURCE: 1998 toyota camry V6

P0420 indicates you have a catalyst efficiency issue; replacement of the Air-Fuel Sensor should take care of that;
The P0441, P0446 and (I assume P0440); you said 446 twice, indicates a faulty or loose fuel cap; it is not sealing properly.
Please feel free to respond to me if you have any further questions.
A FixYa rating from you regarding my assistance would be greatly appreciated.

Posted on Dec 27, 2008

czaa
  • 4514 Answers

SOURCE: check engine light is on

you hav egr valve problems n evap emissions flaws-ull need a repair manual if ur the mech-buy one at a parts place-clymer n haynes r the best

Posted on Sep 20, 2009

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The P0441, P0446 and (I assume P0440); you said 446 twice, indicates a faulty or loose fuel cap; it is not sealing properly.
Please feel free to respond to me if you have any further questions.
A FixYa rating from you regarding my assistance would be greatly appreciated.

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