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2000 toyota celica, diagnostic codes :po171, po420,po441 & po446. What do these mean and are these related. Thanks Guy

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Posted on Jan 02, 2017

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SOURCE: trouble shooting po441/po446

Go and buy a VSV for CCV. That should fix your problem

Posted on Jul 13, 2008

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SOURCE: 2003 toyota highlander OBD code's po442/po446/po441

if the air filter was recently inspected or changed, look for the vacuum hose to be disconnected from the valve located on the air filter cover. another source may be the gas cap either loose or with the tether strap caught under it preventing a proper seal

Posted on Dec 20, 2008

c17hydro
  • 2984 Answers

SOURCE: 1997 toyota camry check engine light on,code po440,po420,po441,

P0420 is catalyst system efficiency below threshold (bank 1)

P0440 is evaporative emission control system malfunction

P0441 is evaporative emission control system incorrect purge flow

Posted on Mar 29, 2009

  • 1 Answer

SOURCE: 2001 Camry code po440,po441,po446 after engine

2001 camry code po440,po441,po446
what kind of problem and how can be solved
sam

Posted on Jun 30, 2009

  • 327 Answers

SOURCE: need to know what PO440, PO441, and PO446 codes

p0440 is the evaporative emission control system p0441 is incorrect evap purge flow and p0446 is evap vent control circuit this means the charcaol canister is defective the only problem is they are in the rear of the car above the gas tank and they are metal when you gas up your car there are warning signs DO NOT TOP OFF TANK meaning when gas pump shuts off do not put in more gas ! reason being is the gas overflows into the metal canister and gets trapped and absorbs moisture , and you know what water does to metal .... rust ! no signal to solenoid = check engine light and codes sorry to say you are looking at about 600-700 dollars to fix

Posted on Aug 04, 2010

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Codes po303, po171, po137. po420


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Dec 02, 2015 | 2005 Toyota Corolla

1 Answer

My 02 camry le failed emmission test whats wrong error codes po440, po441, po446, po420


You have codes for a failed exhaust converter,PO420,
EVAP System problem PO440,Incorrect Purge Flow PO441,
Evap Vent Control issues,PO446

Your car is all messed up

That should have been all checked, BEFORE you spent time
in line for inspection

If all the codes are for real & not a false report

You will need new spark plugs,ignition & fuel checked,
new exhaust converters,new evap purge valve,new evap
vent solenoid & possibly vacuum leaks resolved

You either bought someones neglected vehicle or never
do a thing but drive it

May be easier to get a different vehicle,your repair bill
will start at $1,000 & go up, from not being proactive & taking
care of what is required in owning any vehicle (lack of knowledge)

You will need the oxygen sensors also & no, they won't fix the
amount, of what appears to be several failed items, all at one time

So much for Toyota being better than other vehicles

Apr 03, 2013 | 2002 Toyota Camry

1 Answer

What is the part need to buy for pO441,po440,po446


Codes have nothing to do with parts

You need to study OBD2 Systems on the internet,
as well as look up those codes & the causes

Google them

( 1998 Toyoya Camry OBD2 PO441)

PO441---EVAP System Incorrect Purge Flow
PO440---EAVP Control System Malfunction
PO446---EAVP Vent Control Circuit Malfunction

I think a repair shop is your best bet to smoke test
system & resolve

Nov 17, 2012 | 1998 Toyota Camry

4 Answers

My check engine light come up w/ all these code P0305,P0440,P0441,P0446 what's wrong Thanks


po305 is related to missfire on #5 cylinder
po440 is related to fuel tank pressure
pO441 is for evaporator purge flow malfunction
po446 relates to vent control valve electrical circuit malfunction

missfire is seperate from the other codes
as for the other three codes replace the vent control valve solenoid located near the charcoal canister the oth3er codes can relate to a faulty solenoid

after replacing light will only go out if you clear through a scan tool or three drive cycles of over 10 min each

Jan 10, 2011 | 2000 Lexus RX 300

1 Answer

Need to know what PO440, PO441, and PO446 codes mean for a 2000 Toyota Camry


p0440 is the evaporative emission control system p0441 is incorrect evap purge flow and p0446 is evap vent control circuit this means the charcaol canister is defective the only problem is they are in the rear of the car above the gas tank and they are metal when you gas up your car there are warning signs DO NOT TOP OFF TANK meaning when gas pump shuts off do not put in more gas ! reason being is the gas overflows into the metal canister and gets trapped and absorbs moisture , and you know what water does to metal .... rust ! no signal to solenoid = check engine light and codes sorry to say you are looking at about 600-700 dollars to fix

Aug 04, 2010 | 2000 Toyota Camry

2 Answers

2001 Camry code po440,po441,po446 after engine


2001 camry code po440,po441,po446
what kind of problem and how can be solved
sam

Jun 08, 2009 | 1998 Toyota Camry

2 Answers

1997 toyota camry check engine light on codes are po441,po446


p0446 is an evap code for incorrect purge flow, check the rear vacume switching valve. its above the rear sub frame

Apr 05, 2009 | 1997 Toyota Camry

1 Answer

1997 toyota camry check engine light on,code po440,po420,po441,


P0420 is catalyst system efficiency below threshold (bank 1)

P0440 is evaporative emission control system malfunction

P0441 is evaporative emission control system incorrect purge flow

Mar 29, 2009 | 1997 Toyota Camry

2 Answers

2003 toyota highlander OBD code's po442/po446/po441


if the air filter was recently inspected or changed, look for the vacuum hose to be disconnected from the valve located on the air filter cover. another source may be the gas cap either loose or with the tether strap caught under it preventing a proper seal

Dec 20, 2008 | 2003 Toyota Highlander

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