Question about 1999 Lexus ES 300

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2003 camry P0441,P0442 and P0446 Codes - 1999 Lexus ES 300

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6ya6ya
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Posted on Jan 02, 2017

  • 1861 Answers

SOURCE: car codes

When you have P0440, P0441 and P0446, it is a very good bet that the fuel cap was loose, or the fuel cap rubber seal is compromised. You will get all three of those codes every time that the cap is loose. Always make sure that the fuel cap is as tight as you can get it after you refuel.

Posted on Nov 13, 2008

shinehutt
  • 254 Answers

SOURCE: my check engine light come up w/ all these code

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

Posted on Jan 10, 2011

sveeden
  • 400 Answers

SOURCE: How to fix whatever caused the codes P0441, P0442,P0446

Check and make sure your gas cap is screwed on tightly. Then, check the vacuum lines are attached correctly and not leaking. I would bet one of the hoses came off or you have a hole in one or more. The hoses split with age. Start with these, before changing sensors or solenoids.
http://www.obd-codes.com/p0446
http://www.obd-codes.com/p0441
http://www.obd-codes.com/p0442

Posted on Feb 21, 2016

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I have DTC Codes; P0441, P0442, and P0446 EVAP codes. Have had too many things replaced to name and still have codes. Originally, only had one code P0442, after the unsuccessful removal of severalevap


code p 0442 refers to evaporative emission(EVAP) system---small leak detected====causes--hose connections--intake leak--EVAP canister--EVAP canister purge valve
it also refers to --large leak detected====causes fuel cap loose, off---mechanical fault--hose connections---EVAP pressure sensor
code p 0441 refers to EVAP system--incorrect flow detected====causes hoses, intake leak-- EVAP canister purge valve
code p 0446 refers to EVAP system, vent control---circuit malfunction===causes--wiring---EVAP canister purge valve----ECM
if you can remember when the problem started ( after refueling) it may be that the cap is not fitted correctly
it could that in the fixing process , the wiring has not been correctly installed or the problem is the canister purge valve needs attention

Feb 06, 2017 | Cars & Trucks

1 Answer

How to fix whatever caused the codes P0441, P0442,P0446


Check and make sure your gas cap is screwed on tightly. Then, check the vacuum lines are attached correctly and not leaking. I would bet one of the hoses came off or you have a hole in one or more. The hoses split with age. Start with these, before changing sensors or solenoids.
http://www.obd-codes.com/p0446
http://www.obd-codes.com/p0441
http://www.obd-codes.com/p0442

Feb 21, 2016 | 2003 Lexus LS 430

1 Answer

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


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

Nov 12, 2014 | 2000 Toyota Camry

1 Answer

1998 toyota camry, 2.2L 4 cyl. P0325, P0441 and P0446 trouble codes


Code 325 is for a problem with the knock sensor circuit, code 441 is for an incorrect flow with the purge valve and the vent for the gas tank, and code 446 is also for the vent control circuit.
I would clear the codes and see how many come back after a test drive. You may need a shop manual to test the circuits.

Sep 11, 2012 | 1998 Toyota Camry

1 Answer

2003 lexus es300 p0441,p0442,p0446


It was the bad ECU. I have the same 2003 ES300. I had the same 3 codes and after 5 months and figured out it was the bad ECU causing the error codes. Finally replaced the ECU and no more codes now

Jan 10, 2012 | Cars & Trucks

1 Answer

Have codes P0441, P0442, and P0446. What could be the problem?


this obd2 trouble code table can help you understand the meaning of code.
and for p0441, you can try:
Repair damaged EVAP lines or canister.

Repair open or short in voltage feed circuit to Purge Solenoid.

Repair open in PCM purge command circuit.

Replace purge Solenoid.

Replace vacuum switch.

Repair restriction in Evap line or canister or soleniod.

Repair resistance in purge connector.

Replace PCM.

for p0442

Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.

Otherwise, replace the gas cap, or

Inspect the EVAP system for cuts/holes in tubes/hoses.

Aug 15, 2011 | 2003 Toyota ECHO

1 Answer

Have OBD codes P2A00, P0441, P0442, P0446 on my 2003 Highlander. Selling the car in a few months. Does this really need to be repaired before trade-in? Can I just erase the codes?


NOPE CANT ERASE CODES UNTIL THE PROBLEM IS FIXED OR THE SERVICE ENGINE LIGHT SOON WILL STAY ON. CODE PO441 - EVAPORATIVE EMISSION EVAP SYSTEM INCORRECT FLOW DETECTED.CHECK INTAKE VACUUM HOSE CONNECTIONS AT THE EVAP CANISTER PURGE VALVE.IF ALL IS GOOD.THE EVAP CANISTER PURGE VALVE COULD BE BAD. CODE PO 442 - EVAPORATIVE EMISSION EVAP SYSTEM SMALL LEAK DETECTED. EVAPORATIVE EMISSION SYSTEM LARGE LEAK DETECTED FUEL CAP LOOSE OR OFF MISSING. CODE PO 446 - EVAPORATIVE EMISSION EVAP SYSTEM VENT CONTROL CIRCUIT MALFUNCTION.

May 21, 2011 | Toyota Highlander Cars & Trucks

2 Answers

P0440, P0441, P0446


where is Evap Emission Control System Purge Flow fault

Jul 02, 2009 | 2000 Toyota Celica

1 Answer

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.

Mar 17, 2009 | 2003 Toyota Matrix

1 Answer

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.

Dec 27, 2008 | 1998 Toyota Camry

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