P0440 is300

2001 Lexus RX300 with P0446, P0441, and P0440 I've checked and tested the solenoid (9V battery method) behind the - Answered by a verified Lexus Mechanic. We use cookies to give you the best possible experience on our website.

- YouTube. 0:00 / 1:52. POTENTIAL FIX FOR CODE P0440 P0441 P0446 FOR LEXUS GS300/IS300/SC300/SUPRA. Zuki. 56 subscribers. Subscribe. 162. Share. …Chad Farhat. Owner. Associate Degree. 13,266 satisfied customers. Throwing a pending p0440 p0441 p0446. 2001 lexus is300. those codes showed pending after replacing the vsv and fuel tank overfill evap system ….lexus p0440 is300 - Cars & Trucks question. the unit locks shut when disc is installed. there is a tab on the front that you must slide to open position, when you do this disc will eject. …P0440, P0441 OR P0446 Toyota Fix P0440, P0441 OR P0446 codes Toyota. Toyota has issued a service bulletin #EG013-03 to address a problem with the evaporative emissions system and codes P0440, P0441 OR P0446. The bulletin pertains to some of the vehicles listed below but coverage also depends on the vehicle’s product date.The OP has only the 440 code which is a leak detected in the fuel tank side. P0440. After cold starting and when generating certain swift pressure. valve in fuel tank enabling not to hold that valve (2 trip detection. logic) u0002 Fuel tank cap incorrectly installed. u0002 Fuel tank cap cracked or damaged.Feb 8, 2012 · 1. First Name:Lukas. Lexus Model: Is300. Year: 2002. Location: South Dakota (SD) Posted September 23, 2014. those codes are for the catalytic converters: p0420-bank 1 cat, p0430-bank 2 cat, p0440 is the cat in the y-pipe. Dont recommend using sims which can cause further issues down the road, when i got those codes, i replaced the cats with ...

I hooked my scanner and soon enough I was slapped in the face with the holy trinity P0440 (EVAP Malfunction ), P0442 (Large Leak Detected), P0446 (EVAP vent Malfunction), and to top it all off I also got the Holy Matrimony P0171 (Bank 1 too lean) and P0174 (Bank 2 too lean) I decided to tackle all the EVAP codes first and leave P0171 and P0174 ... Apr 28, 2019 · P0446 is a diagnostic trouble code (DTC) associated with a vehicle’s evaporative emissions control system. It signifies an issue in the vent control circuit in your Lexus IS 300’s EVAP system, which prevents fuel vapor from being released into the atmosphere. A prevalent issue with the Lexus IS 300 is the P0446 code. I recently read on the website that these readings (P0440 and P0446) have to do with the Evap System. The issue can come from a disconnected hose on ... 99 - 03 Lexus RX300 ; Obdii Reading Of P0440 And P0446 Theme . IPB 4.6 (Default) IPB 4.6.1 Theme . IPB 4.7 Theme . ...These are emissions codes and there are many reasons what can cause these codes. P0440 almost always means a tank side leak and P0446 is a charcoal canister leak. Check all of the EVAP hoses under the hood and especially near the intake. Right by the stock air box is the charcoal canister closed VSV and there is a hose that connects from this ...Suspension Control Arm Bushings Replacement. ($389 - $442) in Yonkers, NY. Power Steering Hose Replacement. ($1,023 - $1,069) in Ponder, TX. Lexus GX470 Check Engine Light With Code P0441, P0445, and/or P0446 - 7 reports. Learn about this problem, why it occurs, and how to fix it. Just got done paying the dealership 200 bucks to do a smoke test to diagnose my p0440 CEL and i was told it is the roll over valve. I've pulled up numerous manuals and checked this website up and down and finally located the roll over valve, but i have yet to find a DIY for gas tank/fuel tank removal. ... 2004 Savannah Metallic IS300 E-Shift ...

For Lexus IS300 3.0L V6 2001-2005. For Toyota Sienna IS300 3.0L V6 2001-2003. Replace OEM Number:77390-53010,7739053010. Direct Replacement: 100% brand new.The product Check Valve is perfectly suitable for the original model, and can be a perfect replacement, simple replacement, and high quality. Buy high quality at low price, …Advice, how-to guides, and car care information featured on AutoZone.com and AutoZone Advice & How-To’s are presented as helpful resources for general maintenance and automotive repairs from a general perspective only and should be used at your own risk. Information is accurate and true to the best of AutoZone’s knowledge, however, there …A very common trouble code with the Lexus IS 300 is the P0440 code. This trouble code references a number that is given to you when you plug your IS 300 into a OBDII scanner. P0440 Indicates that something is wrong with the EVAP system. It does not allude to what that problem might be. P0440: Evaporative Emission Control System MalfunctionThe hose of EVAP system is broken.Jun 19, 2020 · Save. ill_mannered · #48 · Oct 19, 2020. In theory a bad FTP sensor could cause these codes. However you would sometimes get a P1453 with these other codes pointing you to a faulty FTP sensor. I hate EVAP codes in general. They can be easy or downright impossible to figure out at times. 2002 Lexus IS300. S13 240sx.

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The P0440 code indicates that there is a leak or malfunction in the EVAP emissions system. The EVAP system is a sealed gas vapor system that pulls the fuel vapors from the gas tank and burns them through the engine instead of releasing them into the air.Received 8 Likes on 8 Posts. Had the same codes, found out it was the rollover valve on top of the fuel tank. Reply Like. GS - 2nd Gen (1998-2005) - Advice for P0440 P0441 P0446 - i have a 2001 Gs300 245k miles. i have a check engine issue when i check it 2 problems arise i want some advice , the computer said charcoal canister filter, which is ...P2401 and p24BE are a gas evap leak. Cause can be gas cap not closed/sealed, charcoal canister failure, leaking or cracked fuel vapor lines, damaged wiring, ECM that has failed or is failing, faulty purge control solenoid, or leak detection pump has failed. Another thing on a quick read may be fuse related. Check fuse #8 in engine bay. OPs ...The P0440 code indicates that there is a large leak in the EVAP system, but this is somewhat misleading. What the code really indicates is that the EVAP system will not create a significant vacuum when it performs its leak test, as monitored by the Fuel Tank Pressure Sensor. Here is how the evaporative leak test is performed by the Powertrain ... I am having problems with my 2002 Lexus rx300, I got my inspection done and two days later the check engine light comes on and starts throwing codes P0440, P0441, P0446. I replaced the gas cap and cle … read moreFor Lexus IS300 3.0L V6 2001-2005. For Toyota Sienna IS300 3.0L V6 2001-2003. Replace OEM Number:77390-53010,7739053010. Direct Replacement: 100% brand new.The product Check Valve is perfectly suitable for the original model, and can be a perfect replacement, simple replacement, and high quality. Buy high quality at low price, …

Here is my list of the common fixes for this code: Replace defective spark plugs. Replace defective ignition coils. Replace damaged fuel injectors. Check and repair broken wire connections. Replace or service the oxygen sensor. Replace catalytic converter. Replace the defective head gasket. Repair of vacuum leaks.Vacuum Switching Valve (VSV) - Codes P0440, P0441, P0446 There are two VSVs. One is up at the air cleaner (according to my dealer this one almost never fails) the other one (the one that does fail - wouldn't you know it) is down underneath the car beside the gas tank, and adjacent to the charcoal canister. Presumably it fails because it is more …Code P0442 Lexus Tech Notes. The P0442 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). Loose fuel tank filler cap is the most common cause that triggers the P0442 code. User Submitted Video. Check if Lexus has issued a Factory Service Bulletin for the P0442 code (2013 - Up Models): → Check here.566 satisfied customers. Throwing a pending p0440 p0441 p0446. 2001 lexus is300. those codes showed pending after replacing the vsv and fuel tank overfill evap system … read more.Your vehicle starts belching smoke.Its engine might stall, lose power, and idle roughly. Finally, the check engine light switches on. When you plug the OBD-II (on-board diagnostics 2) scanner into the connector, it shows the trouble code P0430.. What Does the P0430 Code Mean? P0430 is a diagnostic trouble code (DTC) for “Catalyst …Mar 26, 2020 · Hey guys new here. Had same P0440 code pop up too and some other one. Bought 03 Manual in So Cal from guy said it was good to drive but as is. Shortly after driving on freeway CEL turned on and TRAC light blinking. Called guy and said WTF, of course he didn’t know, sure whatever. Tried reset next day and would come on after about 15 min. 1. First Name:Lukas. Lexus Model: Is300. Year: 2002. Location: South Dakota (SD) Posted September 23, 2014. those codes are for the catalytic converters: p0420-bank 1 cat, p0430-bank 2 cat, p0440 is the cat in the y-pipe. Dont recommend using sims which can cause further issues down the road, when i got those codes, i replaced the cats with ...Asked by Inspiron Feb 10, 2014 at 05:36 PM about the 2001 Lexus LS. Question type: Maintenance & Repair. The engine light was on, I brought my car to the shop to get a free engine check after they. checked it they gave me this code P0440, P0441, P0446 they told me to check on. www.google.com to find out about these codes.Apr 3, 2013 · 1. Remove Vacuum Hoses between EVAP VSV and Charcoal Canister and discard. 2. If there is a metal vapor pipe between EVAP VSV and Charcoal Canister, clean inside of vapor. pipe. 3. Replace EVAP VSV and Charcoal Canister assembly with new parts. 4. Install new vacuum hoses between EVAP VSV and Charcoal Canister. 2 Lexus Model: IS300 Posted October 7, 2004 Hi, My check engine light just came on my 2001 Lexus IS 300. I took it to Autozone to check out what is the problem and I came back with these readings. P0440 P0441 P0446 The description for something regarding: Emissions Control System Vent Malfunction and Emissions Control System Purge Flow Fault.P0440 is a universal OBDII trouble code. This means that regardless of which make or model of vehicle, the code will mean the same thing (IS 300 or not). The code technically stands for: Evaporative Emission Control System Malfunction. The EVAP system captures all fuel vapors from the fuel tank and sends them to the engines intake manifold.P0440, P0441 OR P0446 Toyota Fix P0440, P0441 OR P0446 codes Toyota. Toyota has issued a service bulletin #EG013-03 to address a problem with the evaporative emissions system and codes P0440, P0441 OR P0446. The bulletin pertains to some of the vehicles listed below but coverage also depends on the vehicle’s product date.

Advice, how-to guides, and car care information featured on AutoZone.com and AutoZone Advice & How-To’s are presented as helpful resources for general maintenance and automotive repairs from a general perspective only and should be used at your own risk. Information is accurate and true to the best of AutoZone’s knowledge, however, there …

A very common trouble code with the Lexus IS 300 is the P0440 code. This trouble code references a number that is given to you when you plug your IS 300 into a …Error code P0440, VSV valve replacement, evaporator system, Lexus is300, Part 2 of 3 - VOTD Robert DIY 220K subscribers Subscribe 63K views 8 years ago VSV Replacement: 2 to 3 hours ($50 / $225...I've been struggling with this for awhile now, and need some input: My bone stock 2001 IS300 has been throwing the dreaded Code P0440. The only symptoms are loss of MPG (from 18mpg avg down to 16mpg avg), and the strong smell of fuel vapors coming mainly from the passenger side rear. The smell...2001 Lexus RX300 with P0446, P0441, and P0440 I've checked and tested the solenoid (9V battery method) behind the - Answered by a verified Lexus Mechanic. We use cookies to give you the best possible experience on our website.=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code P0441 Saving Repair Parts...EDIT: p0440, p0441, p0446 related. Discussion in 'Powertrain' started by shubert_ae102, Jul 15, 2007. Page 1 of 2 1 2 Next > Offline shubert_ae102 New Member. Message Count: 950 Likes Received: 1 Trophy Points: 0 Location: de mountains :D.Oct 6, 2008 · Code P0440, evap system, polution system, CEL fixed Howdy, I'm posting this to maybe help someone having a CEL with the P0440 code. This code indicates there is a loose air hose in the evap system. I have a 2001 GTS. At first, I was concerned. Had Auto Zone check out the code. They suggested a new gas cap. Replaced the gas cap at Autozone. Code ... 566 satisfied customers. Throwing a pending p0440 p0441 p0446. 2001 lexus is300. those codes showed pending after replacing the vsv and fuel tank overfill evap system … read more.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.2001 Lexus RX300, 126K miles Recently had codes P0440 and P0446, and found out I had a little bit of gasoline in my ... i have 2001 RX300 AWD, few days back, had oil changed, rotate 4 tires, and cut brake disc. was driving from california to new york, at Utah, ...

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Mar 17, 2006 · There is a hose from the air cleaner box that connects to the CCV. (canister close valve). Rubber hose near the back of the air cleaner by the brake fluid reservoir. Feb 8, 2012 · 1. First Name:Lukas. Lexus Model: Is300. Year: 2002. Location: South Dakota (SD) Posted September 23, 2014. those codes are for the catalytic converters: p0420-bank 1 cat, p0430-bank 2 cat, p0440 is the cat in the y-pipe. Dont recommend using sims which can cause further issues down the road, when i got those codes, i replaced the cats with ... Sep 29, 2020 · Code P0442 Lexus Tech Notes. The P0442 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). Loose fuel tank filler cap is the most common cause that triggers the P0442 code. User Submitted Video. Check if Lexus has issued a Factory Service Bulletin for the P0442 code (2013 - Up Models): → Check here. VSV Replacement: 2 to 3 hours ($50 / $225 / $280) THE CODE HAS RETURNED. This Lexus is300 had a P0440 code that did not go away after replacing …How to Fix IS300 P0440 P0442 Evap Valve | Gas Tank Removal Binh-Tuner with Kids 18.7K subscribers 115 Share Save 3.9K views 7 months ago #is300 #P0442 ...more ...more We replace the faulty...16 ธ.ค. 2555 ... DTC P0440 is set if EVAP system leak is detected in EVAP system components between fuel tank and charcoal canister or vapor pressure sensor ...2001 gs300 had codes for evap system. Was all fixed by reconnecting a hose by the air filter. Before buying the evap canister purge valve or anything else in...3 codes P0440 P0441 P0446. 9656 Views 10 Replies 6 Participants Last post by jasonm4, Jul 3, 2014 Jump to Latest C. crrider80 Discussion starter ...The ability to seal the vent is necessary for the on board diagnosis of other evaporative emission control system components. This solenoid valve is used only for diagnosis and usually remains open. The P0446 code is triggered when an improper voltage signal is sent to Engine Control Module through the EVAP canister vent control valve. P0446 ...P0440 evap code. I replaced gas cap, tried replacing purge valve and hoses in area, fuel pump filter, overfill check valve, charcoal canister valve. Also ... ….

I've been struggling with this for awhile now, and need some input: My bone stock 2001 IS300 has been throwing the dreaded Code P0440. The only symptoms are loss of MPG (from 18mpg avg down to 16mpg avg), and the strong smell of fuel vapors coming mainly from the passenger side rear. The smell...Code P0442 Lexus Tech Notes. The P0442 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). Loose fuel tank filler cap is the most common cause that triggers the P0442 code. User Submitted Video. Check if Lexus has issued a Factory Service Bulletin for the P0442 code (2013 - Up Models): → Check here.Yes, there may be some difference, but for the most part they are identical vehicles. I use myis.com for further referencing when I cannot locate it on CL. GS - 2nd Gen (1998-2005) - 98 GS300 P0441 & P0446 W/ (Pic) - Finally decide to do reserch and dig in to deal with the code for CA Smog inspection!ZBN 234-4626 Oxygen O2 Sensor Upstream Downstream Compatible with Toyota Camry Solara Supra Lexus GS300 IS300 SC300 (2.2L /3.0L,1993-2005) ... I had the infamous P0440 along with other codes on my 2002 Lexus IS300, which happens to be the downstream sensor for bank 1 sensor 2 or b1s2. While reading up on the sensor issue, I …Lexus gs300 Fault code p0440Aug 25, 2011 · I have a 2001 IS300. It is also throwing a P0440 code on me for a few times. It will come on after I fill up the tank to 3/4. I removed battery and recap fuel cap. twice P0440 did not come on after the battery reset. However, after I fill it up, it comes back on after 30 miles exactly. I am exasperated by the CEL. Dec 12, 2014 · VSV Replacement: 2 to 3 hours ($50 / $225 / $280) THE CODE HAS RETURNED. This Lexus is300 had a P0440 code that did not go away after replacing the seal on the fuel cap. I could not find any ... Code P0442 Lexus Tech Notes. The P0442 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). Loose fuel tank filler cap is the most common cause that triggers the P0442 code. User Submitted Video. Check if Lexus has issued a Factory Service Bulletin for the P0442 code (2013 - Up Models): → Check here.Jun 12, 2013 · I saw a diagram from a previous question about p0440 on an IS300 which shows it could either be a Vapor Pressure Sensor or the Fuel Tank Over Fill Valve. A mechanic friend of mine smoked it and saw smoke around the charcoal canister area. could this be the fuel tank over fill valve not working and releasing smoke or is it the VPS going bad. P0440 is300, Dec 12, 2014 · VSV Replacement: 2 to 3 hours ($50 / $225 / $280) THE CODE HAS RETURNED. This Lexus is300 had a P0440 code that did not go away after replacing the seal on the fuel cap. I could not find any ... , Fuel cap seal replacement: 5 to 15 minutes ($25 / $65 / $95)In this video I try to diagnose and fix the P0440 error code. Start with the easy stuff and work ..., We replace the faulty evap valve on the fuel tank. This is the cause of P0440 and P0442 on the 01-05 Lexus IS300. The factory valve gets a hairline crack and doesn't …, We have a 2001 lexus es300 that the check engine light comes on. The codes are P0440 evap control system malfunction), P0441 (evap control system purge flow fault), and P0446 (evap control system vent ckt malfinction). The system displays these faults mor ein the hotter months. Have replaced the fuel filler cap without any change., The P0171 code means that, on the first bank of the engine, the fuel system is running weak or a vacuum leak exists near this side of the engine. A lean condition occurs when the engine either receives too little fuel or too much air. October 10, 2018. This article applies to the Lexus IS, RX, GS, LS, and ES (2005-Present), 2002 lexus rx300 p0440. replaced charcoal canister and gas cap with factory parts. smoke test evap. sys. and no leaks - Answered by a verified Lexus Mechanic, May 7, 2009 · P0440 Evaporative Emisson Control Sys Malfunction: The ECM has detected abnormalities in the evaporative emission control sys for the vapor pressure sensor and VSV for vapor sensor caused by loose gas cap. Check for: Cracked, holed, damage or loose hose or tube. Fuel tank cap not installed properly. Fuel tank cap cracked or damage. , Lexus IS300: I have a p0440 code. I replaced the Fuel Tank. I have a p0440 code. I replaced the Fuel Tank Over Fill Valve as well as the gas cap. The light stayed off for about 3 days and came back. Ran the code reader and is now saying p0440 (pd) and p0440. T ..., There is a hose from the air cleaner box that connects to the CCV. (canister close valve). Rubber hose near the back of the air cleaner by the brake fluid reservoir., 2001 IS300 p0440 code terrible gas mileage. Jump to Latest Follow ... 2002 IS300 - Manual 5-speed LSD M85 Color: Cromax YR580M TRD Carbon Fiber Shifter Ball Custom Made Complete Cold Air Intake Fidanza Exhaust Cam Gear OBX Headers / Megan Racing Y-Pipe / Thrush Catback Yonaka Spec II Coilovers / Cusco Strut Bar SPC Rear …, The P0440 code stands for “Evaporative Emission Control (EVAP) System Malfunction – Large Leak,” which means the powertrain control module has detected a significant leak in the EVAP system. Some possible causes of the P0440 code include a missing, damaged, or incorrect fuel cap, a damaged fuel tank filler neck, and …, 2002 lexus rx300 p0440. replaced charcoal canister and gas cap with factory parts. smoke test evap. sys. and no leaks found. removed fuel tank and tested seperatly and no leaks. code still retuns. any ideas?, Code P0440, evap system, polution system, CEL fixed Howdy, I'm posting this to maybe help someone having a CEL with the P0440 code. This code indicates there is a loose air hose in the evap system. I have a 2001 GTS. At first, I was concerned. Had Auto Zone check out the code. They suggested a new gas cap. Replaced the gas cap at Autozone. Code ..., I used an OB2 Scanner on my 2001 IS300. p0161 oxygen sensor (bank 2 sensor 2) p0440 (evaporative emission cotrol system. p0441 (Evaporative Emission Control Sys Incorrect Purge Flow: p0446 (Evaporative Emission Control Sys Vent Control Malfunction: p0505 (idle control system. , Lexus gs300 Fault code p0440, Aug 6, 2009 · First Name:Lee. Lexus Model: SC430. Year: 2002. Location: Texas (TX) Posted August 6, 2009. My 01 IS300 CEL came on couple of weeks ago code P0430 Catalyst Eff. below threshold Bank 2. We thought it was the Catalytic so replaced it but after 300 miles or so same code came back on. Any help will be appreciated. , I used an OB2 Scanner on my 2001 IS300. p0161 oxygen sensor (bank 2 sensor 2) p0440 (evaporative emission cotrol system. p0441 (Evaporative Emission Control Sys Incorrect Purge Flow: p0446 (Evaporative Emission Control Sys Vent Control Malfunction: p0505 (idle control system., Here are the steps a mechanic would take to diagnose trouble code P0440: Start by connecting an OBD-II scan tool to the engine and checking for other Evaporative Emission System codes. Capture the freeze frame data to identify code P0440. Next, inspect the fuel cap to make sure it isn’t loose or damaged. If the fuel cap is loose, tighten it ..., What Does the P0420 Code Mean? Diagnostic trouble code (DTC) P0420 stands for “P0420 Catalyst System Efficiency Below Threshold (Bank 1).”. It indicates that the exhaust system’s oxygen levels are below the required threshold in Bank 1, which can damage the engine’s exhaust and fuel system., P0440 code mystery, 2001 IS300. One of the hoses was off near the charcoal canister valve, I secured the hoses and replaced the valve while I was in there. Thought for sure this would fix the P0440 code but the light came back on. I checked the hoses near the purge valve up under the hood and they seem to look ok., 01 IS300 with a p0440 (pic) Jump to Latest Follow 124268 Views 48 Replies 26 Participants Last post by chappys4life, Apr 17, 2019. A. AbyssalCreation Discussion starter ..., 2 Lexus Model: IS300 Posted October 7, 2004 Hi, My check engine light just came on my 2001 Lexus IS 300. I took it to Autozone to check out what is the problem and I came back with these readings. P0440 P0441 P0446 The description for something regarding: Emissions Control System Vent Malfunction and Emissions Control System Purge Flow Fault., Jul 12, 2006 · Oil: Mobil 1 5W-30 Fully Synthetic. Changed 2.5K miles prior to trip. Transmission oil: Amsoil 70W90. Differential oil: Amsoil 90. New air filter. Fuel: Exxon 93 Octane. Starting ambient temperature: 100F. Ending ambient temperature: 84F. Wind: 12MPH From SSW, Gusting at 20MPH, (trip mostly going SSW) , Is300 code p0440 (how to change check valve) EVAP Jermz b 22K views 4 years ago This could damage your car if you don't take action! #shorts The Car Care Nut 129K views 2 years ago P0446..., JOHN aka Eauto. self employed. High School or GED. 25,441 satisfied customers. Throwing a pending p0440 p0441 p0446. 2001 lexus is300. those codes showed pending after replacing the vsv and fuel tank overfill evap system … read more., Jul 18, 2006 · Posted July 18, 2006. I own a 2001 IS300. My check engine light came on yesterday and reading the codes revealed the following: P0440 (EVAP Emission Control System Malfunction) P0441 (EVAP Emission Control System Purge Flow Fault) P0446 (EVAP Emission Control System Vent Circuit Malfunction) , Is300 code p0440 (how to change check valve) EVAP Jermz b 22K views 4 years ago This could damage your car if you don't take action! #shorts The Car Care Nut 129K views 2 years ago P0446..., Dec 12, 2014 · VSV Replacement: 2 to 3 hours ($50 / $225 / $280) THE CODE HAS RETURNED. This Lexus is300 had a P0440 code that did not go away after replacing the seal on the fuel cap. I could not find any ... , Code P0446 Lexus Description. The Evaporative System ( EVAP) canister vent control valve is located on the EVAP canister and is used to seal the canister vent. This solenoid valve responds to signals from the Engine Control Module ( ECM ). When the ECM sends an ON signal, the coil in the solenoid valve is energized., Engine runs, but the Malfunction Indicator Light (MIL) is on with codes P0440, P0441 and P0446. Average Reported Mileage: 115511. Tests/Procedures: 1. Verify that the Vacuum Switching Valve (VSV) for the pressure sensor (located on the canister) operates correctly. This is a normally closed (N.C.) valve., Lexus gs300 Fault code p0440, Jan 10, 2012 · 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. , This is the last resort option to replace this Overfill valve on a 1999-2005 Lexus is300. Potential fix for P0440, P0446, check engine light. Evaporative emi...