2004 nissan pathfinder vacuum cut valve bypass valve. Sep 30, 2015 · I have 01 Pathfinder SE 4WD VQ35D.
2004 nissan pathfinder vacuum cut valve bypass valve I have already replaced the EVAP vacuum cut valve and the bypass valve, and after clearing the codes, the same code reappeared within 30 minutes of driving. Cause: EVAP vacuum cut valve bypass valve control circuit is openEVAP vacuum cut valve bypass valve control circuit is shortedEVAP vacuum cut Jun 12, 2025 · Buy LOONGPART 022619 Vapor Canister Purge Valve 17372-1W200 Vacuum Cut Valve Compatible With Infiniti 2005-97 Nissan 2004-96: Canister Purge Valves - Amazon. Jan 8, 2014 · Vacuume Cut valve/bypass valve question Post by craig1980 » Sat Jul 01, 2017 4:28 pm Hi guys, I have searched numerous parts diagrams with no results. 5L Federal Emission vehicles, Without California Emissions Purge Control Valve, Original Solenoid with 2 Terminal Blue Connector # FDCC100. If one of the applied vehicles has the MIL "ON" with DTC P1491 (Vacuum Cut Valve Bypass Valve) stored in Self-Diagnostic NISSAN Xterra, Pathfinder, Frontier (V6 3. 5L V8 To 12/05; Vacuum Cut Valve. Sep 27, 2011 · edit edit: my trouble code is P1441 --- vacuum cut valve bypass valve i checked this part (vac cut valve--electric solenoid) and the purge valve--electric solenoid and they both work when i hook 12 volt up to them from the battery. Customer: I have a 2004 Nissan Frontier XE 4-door with a 3. I could only identify it after the engine was shut off, but it may be doing it while it is running. The EVAP evaporative emissions control system utilizes the Nissan Pathfinder Canister Purge Valve to perform vital operations by transferring fuel vapors through the valve from the charcoal canister to the engine intake system. Sep 30, 2015 · I have 01 Pathfinder SE 4WD VQ35D. This will not make the car stall. 5 Pathfinder SE 3. What is most like to be the cuprit here? I don't want to touch or replace parts like the charcoal canister or the purge valve attached to it. Posts: n/a Emmision Control Question --Pathfinder is there a fuse between the Central Computer and the purge control valve (solenoid) and/or the vacuum cut valve (solenoid) [both valves/solenoids are on the same wire path] Purge Cut Valve (if equipped) EVAP System Pressure Sensor Vent Control Valve Vacuum Cut Valve Bypass Valve Vacuum Cut Valve Water Separator (and associated hoses) Apr 12, 2013 · P1491 is for the vacuum cut valve bypass valve. Cil p1441 replaced vacuum cut valve and vacuum bypass valve as a unit check engine light is gone but now I have Mechanic's Assistant chat Customer: 97 qx4. Use a vacuum gauge to test valve response. Hi All, I am new to the forum with an 04 Pathfinder, which I got a year ago. All others I found were in the $60-120 range. AS A COMMITTED EBAY SELLER I ensure that you will always get a good quality product at a fair price delivered to your door ASAP because I know my success depends solely on keeping you Jul 23, 2009 · I pulled and cleaned all the rubber hoses connected to the EVAP canister. Mar 29, 2014 · So far I've replaced the EVAP Canister, Vent Control Valve, Water Separator, EVAP Purge Valve Solenoid and vacuum hoses that I felt were dry rotted. When this valve malfunctions, it can lead to problems with the vehicle's emissions system, affecting its performance and fuel efficiency. Aug 2, 2011 · Any one have to replace there Vacuum Cut Valve Bypass Valve? I have a P1491 code on my 2000 xterra. s. 2. My first real dealing with the Nissan. First, check inside some of the evap lines for black particles which would indicate the insides of the canister breaking up. This valve is responsible for controlling the flow of air in the evaporative emission control system. Could it be from a bad gas gap? Could it be related to my k&n air intake? Jun 22, 2014 · I have the same problem a p1490 vacuum cut bypass valve 2 sensors by gas tank with a white plastic piece with 4 vacuum lines and a solonoid electric valve part and a purge control valve on the evap canister. Only until today after the stumbling on startup occurred. NissanPartsDeal. I have been reading all the posts related to it. With a 12 volt battery, I tested the EVAP canister purge volume control solenoid valve, and the vacuum cut valve bypass valve for operation (they were clicking). Vacuum cut bypass valve I have reset it but it comes back on. 3-liter normally aspirated engine, and the evap light is on due to the vacuum cut bypass valve and knock sensor. that I had infamous p1491 vacuum cut valve bypass valve 106$ (sucks for a little piece of plastic th Sep 27, 2012 · 2001 Pathfinder Evap system Vacuum cut valve bypass valve problem? Check Engine Light on? Codes P1440 (Evap Very Small Leak) , P0455 (Evap Gross Leak) May 6, 2013 · I just bought a Haynes guide for my car (2004 Pathfinder SE) and noticed no mention of the swirl control valve solenoid or the control valve. Turned out to be the o-ring seal on the top of the gas tank (sending unit). Not saying any of the parts are faulty, but my '02 is now May 11, 2007 · CEL Code P1490 Vacuum Cut Valve Bypass Valve Post by Audioguy » Fri May 11, 2007 10:43 am Curious if any of you have run into this engine fault code on your pathfinder? I've got a 99 with the 3. Mar 3, 2015 · I took my Pathy into Autozone for a diagnostic and I got the codes: P0442: evap control system- small leak detected, P0171: Fuel system lean bank 1, and P1490: vacuum cut valve bypass valve (circuit) Anything I should be deathly afraid of and have it serviced ASAP? Thanks in advance guys. Mar 15, 2006 · Would it be safe to replace both the purge valve and the vacuum cut valve? I would prefer to only replace the vacuum cut valve since it only costs like $10 at the dealer, but if I need to buy both, then I will Dec 23, 2014 · I expect that replacing the cut valve will cure my P1491 code. It is the Vacuum Cut Valve Bypass Valve. Aug 4, 2008 · Tech Tip: Nissan Frontier or Xterra MIL On/DTC P1491 Set A 2001 Frontier (D22) or Xterra (WD22) may exhibit one or both of the following symptoms: MIL "on" with DTC P1491 (Vacuum Cut Valve Bypass Valve - VC CUT/V BYPASS/V) stored in the ECM; and/or difficulty refueling the vehicle. Nov 8, 2025 · Part Category: Vapor Canister Purge Valve. He gave me a quote of $350 to replace the valve and clean the lines past it, which are considerably dirty according to him. P1491 Vacuum Valve cut bypass valve Post by 04LEMASS » Wed Mar 07, 2012 6:47 pm Ive got this service engine code : P1491 and it says Vacuum Valve Cut bypass valve. Next day light was on again. com FREE DELIVERY possible on eligible purchases Mar 31, 2010 · I've had the check engine soon light on my 01 altima for an EVAP code. 95 Free shipping 99 00 Nissan Pathfinder 3. Any help would be appreciated! Aug 20, 2017 · Got this code while coming home from work. The vacuum cut valve prevents the intake manifold vacuum from being applied to the fuel tank. Done the service procedure in the FSM and the wires that connect the vacuum cut bypass valve had frayed. Feb 2, 2006 · My 'service engine soon' light is on and dealer said I need to replace the vacuum cut bypass valve. They charged me $450 and now want an additional $600 to replace the other valve. Disconnect the negative battery terminal before disconnecting its harness. com FREE DELIVERY possible on eligible purchases Here Is How Nissan Fixes P1490 1491 0441 0444 Vacuum Cut Valve Bypass/Vacuum Cut Valve The Auto Repair Guy 2K subscribers Subscribe Apr 4, 2014 · (Vapor Canister Purge Valve Compatible With Select 1996-2005 Nissan / Infiniti (Replaces 17372-1W200, 173721W200)) ⚠ California Proposition 65 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. How do i troubleshoot this problem and what, where, and how do i replace or fix it? Oct 22, 2009 · Error code P1491 vacuum cut bypass valve (circuit). Have any of you ever h Dec 14, 2024 · $36. Anyone have a clue what's going on? Thanks Feb 20, 2011 · 2006 Pathfinder LE VQ40DE AWD, aftermarket radiator, Airlift 1000's, Bilstein HD rear shocks, Doug Thorley shortie headers and mid-pipes, Magnaflow 12580 muffler, aFe Momentum GT CAI w/ dry filter, XTP plenum spacer, Superchips Flashpaq tuner Apr 20, 2019 · Intermittent stall, No power: Nissan Pathfinder P0340 2004 Nissan Armada ABS sensor failure due to Wiring Issue EVAP leak P0455 (vacuum cut valve-bypass valve test) - Nissan Aug 2, 2018 · Buy Vapor Canister Purge Cut Valve Solenoid for Nissan Altima Maxima Pathfinder 14933-54U0A: Canister Purge Valves - Amazon. 2002-2004 INFINITI I35 3. Check the vacuum cut valve and bypass valve for proper operation and inspect vacuum lines for cracks or disconnections. regardless, the sensor Jun 3, 2014 · I have a 2001 Nissan Pathfinder with 207k on the clock and it is passing ODB-II codes P1491, P1110 and P1135. Is there a Aug 30, 2008 · Is the vacumn cut bypass valve universal to other nissan products? Have a 2003 pathfinder. It turns out there's a problem with the evap canister and the vent control valv Change EVAP Purge Valve On A Nissan Xterra My car is a Nissan Xterra 2002 Purchase EVAP Purge Valve https://amzn. Then I disconnected the evap lines at the canister end and blew the lines out from both ends of the car using a ⭐2001-2004 Nissan Pathfinder EGR Vacuum Solenoid Location/Replacement | Quick View Resource HowToVids4U 521 subscribers Subscribe Nov 23, 2017 · vacuum cut valve bypass The service engine light is on I checked for codes and 1491 came up looked that up evap - Nissan Pathfinder question Mar 24, 2003 · 0801 Vacuum cut valve bypass valve fault (California) 0802 Crankshaft postion sensor (CKP) fault 0803 Absolute pressure sensor (California) 0804 A/T control unit fault 0807 EVAP canister purge control valve solenoid valve fault (California) 0901 Upstream heated O2 sensor heater fault 0902 Downstream heated O2 sensor heater fault Oct 12, 2006 · I am toying with the idea of trying this because the idle control valve is virtually impossible to get to on a Pathfinder without taking half of the engine apart. Oct 4, 2014 · Code P1491 is not the PVC Valve. I have an 04 Nissan Xterra which has the service engine light on. It is stated as the "vacuum cut valve bypass valve" what are the steps Jan 23, 2019 · hey everyone I was wondering if anyone knows the fix for the engine code P1490 'vacuum cut valve bypass valve', that's the only code that the Infiniti is throwing and I just don't know what actually to fix or replace. Will The P1490 code indicates a fault in the vacuum cut valve bypass valve circuit, which controls vacuum flow to emissions components. Does anyone have a good suggestion as to where to begin looking to diagnose/fix the problem. It is a Vacuum Cut Valve Bypass Valve. ) & INFINITI QX4 / Fix for code of P1491 / Fix and Replacement of Vacuum Cut Valve Bypass Valve & hose NissanPartsDeal. Jan 8, 2014 · I replaced the cut valve solenoid, the other white sensor thing with the four hoses attached, and the vapor canister which had the other valve that's attached to that. I also finally fixed the evap b. How to test and replace an EVAP Bypass Solenoid Valve. Mar 28, 2007 · evap code well, i dont think that this one has a problem with the gas cap, more than likely pep boys have a generic code reader unlike the consult that nissan techs use. Cause: EVAP vacuum cut valve bypass valve control circuit is openEVAP vacuum cut valve bypass valve control circuit is shortedEVAP vacuum cut Aug 15, 2019 · About this item VSV Vacuum Switching Solenoid Vapor Canister Purge Control Valve Replacement for Altima Frontier Maxima Quest Sentra Part Number: 14930-5M00A, 14930-5M000, FDCC100, 911-505 Note: fits 2004-2006 Altima 2. Feb 25, 2015 · Buy Nissan 2002-2006 Compatible Altima Vacuum Cut Valve Assembly OEM New Compatible with Genuine 17372-8J000: Vacuum Valves - Amazon. Any input on a repair would be greatly appreciated! Regards, -Audio P1490 Vacuum Cut Valve Bypass Valve (Circuit) - Read Our Article On Automotive Circuit Testing For Help With This Nissan Check Engine Light Code P1491 Vacuum Cut Valve Bypass Valve I pulled the canister vent control valve and found it seized allowing slight air flow, i was able to free it up and tested with 12v power it opens and closes freely. Shop Car & Truck Air Bypass Valves for Nissan with eBay Guaranteed Fit. Make: Nissan Code: P1491 Definition: EVAP Vacuum Cut Valve/Bypass Circuit Description: Engine running at normal operating temperature at cruise speed at low engine load, and then the PCM detected an open or shorted condition in the Vacuum Vent Cut Valve/Bypass Valve circuit. The exact definition may vary slightly between manufacturers: Nissan/Infiniti: EVAP Purge Flow/Vacuum Cut Valve Bypass Valve Subaru: Thermostat Function Problem (Low Temperature) It's Jun 18, 2012 · I replaced: cut valve, bypass valve, charcoal canister, purge valve fill/vent tube assembly (under recall) and gas cap. 5L V8 Vacuum Cut Valve. Learn what Vacuum Cut Valve Bypass Valve means, location and how to repair. . com offers the great deal for genuine Nissan parts 17372-1W200 (173721W200) Valve Assy-Vacuum Cut for $154. Aug 6, 2020 · Changed several components on the evaporator system: canister, vent valve, gas cap, vacuum cut valve, bypass valve, some hoses in engine bay, and smoke tested the system (ended up changing one line). Great deals. It also provides vacuum for OBD II leak testing. Get Yours Today! We have the best products at the right price. Clean it using MAF cleaner spray only. Mar 7, 2012 · Ive got this service engine code : P1491 and it says Vacuum Valve Cut bypass valve. Where can I find a new one? Nov 6, 2013 · Direct replacement - this vapor canister purge valve fits and functions like original equipment to ensure proper function of your vehicle's evaporative emissions system Quality construction - manufactured from premium materials for a long service life Century of experience - for over 100 years, Dorman Products has provided quality automotive replacement parts to its customers Quality tested Jan 5, 2015 · 5th Generation Maxima (2000-2003) - Code p1491 - My wife's 03 Maxima just popped the service engine light. if it is from a check engine light that says look at vacume cut valve check the egr canisters purge valve some times they stick and Mar 7, 2025 · 96-04 NISSAN PATHFINDER Vacuum Cut Bypass Solenoid & Vacuum Cut Valve Assembly $69. Now that the temperatures are rising (I live in Arizona), it started doing Mar 30, 2025 · THIS BYPASS SOLENOID AND VACUUM CUT VALVE ASSEMBLY IS CONFIGURED FOR 98-01 NISSAN ALTIMA. It threw out a P1131. Jun 11, 2018 · 2002 Nissan Xterra SE-SC From the Bypass Valve there is a little nipple that apparently needs to have something hooked into it, presumably a vacuum line. 5L V6 Vacuum Cut Valve. Direct replacement - this vapor Feb 20, 2011 · 2006 Pathfinder LE VQ40DE AWD, aftermarket radiator, Airlift 1000's, Bilstein HD rear shocks, Doug Thorley shortie headers and mid-pipes, Magnaflow 12580 muffler, aFe Momentum GT CAI w/ dry filter, XTP plenum spacer, Superchips Flashpaq tuner Apr 1, 2017 · HI there This code is for a bad vacuum cut bypass valve. Sep 10, 2007 · It's an electric solenoid valve that controls the flow of vacuum as part of the evaporative emissions system self-test. EGR is not getting vacuum. The vehicle is an 03' Altima 2. com offers the great deal for genuine Nissan parts 17372-0Z000 (173720Z000) Valve Assy-Vacuum Cut for $154. Last summer the vacuum cut valve (not the electronic bypass valve) started buzzing. All I got from the web was that for Nissan it's about the "Vacuum Cut Valve Bypass Valve" who's it's function is to prevent engine vacuum form being applied to the fuel tank except for self test purposes, and it can trigger 97 qx4. The purpose of the vacuum cut valve (white part in the pictures below) is to prevent the intake manifold vacuum from being applied to the fuel tank. the vacuum cut valve also works perfectly according to the following tests giving at this website: Dec 23, 2014 · The purpose of the EVAP vacuum cut valve bypass solenoid is to allow intake vacuum to suck on the gas tank for diagnostic purposes. In the end the code still would always trigger. Sep 2, 2009 · I'm new to the forum, looking for some help. I have searched NAPA and the rest and no part comes up when I type Swirl Control Solenoid Valve Nov 14, 2016 · 2004 Nissan frontier. I have to call Nissan and read them the riot act. In this video I will be showing you how to test for an EVAP system leak, using a smoke machine. Discover more answers where is the vacuum cut valve bypass & whats it do ? I got P1491 code coming up on a 2001 nissan altima gxe. 2005 INFINITI Q45 4. Dec 23, 2014 · Vacuum cut valve bypass valve (solenoid) above, vacuum cut valve below. IT COMES WITH A 30 DAY WARRANTY AND SUPER FAST SHIPPING. 5L 2WD A/T 2007 Altima Oct 25, 2006 · I shook out the front purge valve and the volume control valve and the hoses. Find out the causes, such as a circuit open or shorted, or a damaged valve or PCM. either the valve is not working, is clogged up or a hose is cut. Does anyone know what hooks into this, if at all and where the other end of said vacuum line plugs into? Thanks Apr 27, 2008 · I just got the pathy ready for inspection "sniff test this time" by replacing both of the infamous resonators that nissan wants 700 a piece for got both for 300. Also we will be covering how to identify the normally open so Sep 6, 2024 · The P1490 code for Nissan vehicles refers to an issue with the Vacuum Cut Valve Bypass Valve. I have check the harness for the vacuum cut bypass valve and canister vent control, but have 12v on and off with ignition. Massive selection from top brands on eBay. The vehicle's fuel tank may need to be replaced. Read the article to know possible causes, symptoms, and descriptions. Learn what Idle Air Control Valve means, location and how to repair. Is this something I can do myself? What Mar 25, 2024 · The vacuum cut valve bypass valve is opened to clear the line between the fuel tank and the EVAP canister purge volume control solenoid valve. The Aug 2, 2011 · Any one have to replace there Vacuum Cut Valve Bypass Valve? I have a P1491 code on my 2000 xterra. 2002-2004 INFINITI Q45 4. Could it be from a bad gas gap? Could it be related to my k&n air intake? Top Towncivilian Posts: 4995 Joined: Sun May 23, 2010 10:21 am Car: 2001. Dec 21, 2015 · I took my pathfinder in today and the mechanic let me know that the vacuum cutoff valve was completely missing, and apparently has been for some time. com FREE DELIVERY possible on eligible purchases Aug 15, 2019 · About this item VSV Vacuum Switching Solenoid Vapor Canister Purge Control Valve Replacement for Altima Frontier Maxima Quest Sentra Part Number: 14930-5M00A, 14930-5M000, FDCC100, 911-505 Note: fits 2004-2006 Altima 2. to/3YDRQ57 Subscribe Recent exhaust problem caused my vauum cut valve (not vacuum cut valve bypass valve) to melt. Most of the time the issue is not the bypass valve, but the Oct 20, 2022 · Where is the vacuum cut valve bypass valve on a 2002 Nissan Pathfiner where can you find a diagram for this part? beside the spare tire on top of a plate Dec 14, 2024 · 96-04 NISSAN PATHFINDER Vacuum Cut Bypass Solenoid & Vacuum Cut Valve Assembly RESURRECTED AUTO PARTS (3250) 100% positive P1490 02 pathfinder 270000kms Code, No, Not very often, Online chat 2001 nissan maxima dtc p1491 vaccum cut valve bypass valve P1490 code indicates an issue with the EGR (Exhaust Gas Recirculation) vacuum solenoid circuit. Subs What can I check to rule out the upper intake manifold? Could a defected PCV valve cause the P1491? (I sure hope not as that valve is burried under the upper intake manifold). Protip: search 'nissan cut valve' instead of listing your specific model, as this Nissan part is the same across many different models. Is it known by another name. Get the best tips to fix it from experts! Oct 3, 2007 · The sticky gives this as P1441 Vacuum Cut Valve Bypass Valve So if you check this in the FSM it will tell you what to do. Mar 17, 2015 · A few weeks ago the SES light popped on and I scanned the code; P1490 Vacuum Cut Bypass Valve Circuit (although my scanner calls it the EVAP Vent Control bypass valve). All parts are backed by the Nissan's warranty. Aug 30, 2024 · The P1491 Nissan code refers to an issue with the Vacuum Cut Valve Bypass Valve in the vehicle's evaporative emission control system. This valve is responsible for regulating the flow of fuel vapors from the fuel tank to the engine for combustion. Not exactly sure what i means, maybe it has to do with the evap canister. I didn't fix it, and it stopped doing it during the winter. Can anyone give me part numbers for both the vacuum cut Jul 29, 2025 · Evaporative Vacuum Cut Valve Dorman 911-508 For Infiniti 2005-97, Nissan 2004-96 Code P1490 stands for Vacuum Cut Valve Bypass Valve. This is just a simple video explaining how to replace the Vacuum Bypass Cut-Off Valve and Solenoid in one go. I disassembled the volume control valve, blew it clean and wiped it out with a paper towel soaked in WD40. com The vacuun cut bypass valves I deal with are in the evap emissions hoses near the charcoal canister valve is white in color and have no electrical connections just (4) 5/8" vacuum lines. 95 What is P 1491 in Nissan pathfinder 2003 and how to fix it DTC 1491 (VACUUM CUT VALVE BYPASS VALVE) DIAGNOSIS SERVICE PROCEDURE Aug 12, 2006 · Pulled this code yesterday. Type: Vapor Canister Purge Valve. Direct replacement - this vapor Feb 20, 2011 · 2006 Pathfinder LE VQ40DE AWD, aftermarket radiator, Airlift 1000's, Bilstein HD rear shocks, Doug Thorley shortie headers and mid-pipes, Magnaflow 12580 muffler, aFe Momentum GT CAI w/ dry filter, XTP plenum spacer, Superchips Flashpaq tuner May 6, 2013 · I just bought a Haynes guide for my car (2004 Pathfinder SE) and noticed no mention of the swirl control valve solenoid or the control valve. The purge valve regulates the flow of fuel vapors from the canister into the intake manifold. Here is what I have done so far, with no success: Replaced Vacuum cut solenoid switch (Genuine Nissan Brand) Replaced Vacuum bypass valve (Dorman Brand) The vacuum cut valve prevents the intake manifold vacuum from being applied to the fuel tank. Where it is. Code reader gave P1491 and p1491pd on a 2003 Nissan pathfinder I want to know the location. The Customer: I have a 2004 vehicle and I'm encountering a P1490 code. IT HAS BEEN CLEANED, TESTED AND IS NOW READY FOR RE-INSTALLATION. Code indicates that the vacum cut bypass valve is - Answered by a verified Nissan Mechanic Nov 16, 2021 · There is also a vacuum cut valve solenoid and a vacuum cut valve bypass solenoid, IIRC, along with the evap system purge valve and a bunch of other hoses and a test port. Feb 20, 2011 · I have an broken exhaust pipe and the heat melted the current one causing a code to be thrown. I must have collected 1/4 cup of charcoal. Replaced electrical connector an Jun 23, 2020 · Repair Information for P1490 Nissan code. Found 3 result (s) for your search Where to Find a Replacement EVAP Vacuum Cut Bypass Valve for 2001 Nissan Altima GXE Mechanic's Assistant chat Customer: My EVAP vacuum cut bypass valve has failed. 3L Vacuum Switch Valve Solenoid Sensor VSV OEM Factory Sep 3, 2024 · Code Definition and Specifics P1490 generally indicates a malfunction in the Vacuum Cut Valve Bypass Valve circuit. 2001 Pathfinder Evap system Vacuum cut valve bypass valve problem? Check Engine Light on? Mar 25, 2024 · The vacuum cut valve bypass valve is opened to clear the line between the fuel tank and the EVAP canister purge volume control solenoid valve. Oct 10, 2006 · Post by truckmen » Tue Oct 10, 2006 6:52 am Hello all! 1999 Pathfinder OBD-II code P1490 - Vacuum Cut Valve Bypass Valve Circuit has anyone done a repair involving this trouble code? 1) What were some of the pitfalls of such a DIY job?2) What is the possibility of this code being incorrect? TIA Top NISTECH Posts: 12270 Joined: Sun May 25 Fuse box diagram (fuse layout), location, and assignment of fuses and relays Nissan Frontier, Navara, NP300, Pathfinder (D22) (1997-2004). Where exactly is the control valve located? Make: Nissan Code: P1490 Definition: EVAP Vacuum Cut Valve Bypass Valve Circuit Malfunction Description: Key on or Engine running, and the PCM detected an unexpected voltage condition on the EVAP Vacuum Cut Valve Bypass Valve circuit during the CCM test. I had the normally closed valve replaced by the dealer because I suspected it was stuck open, but that didn't resolve the issue. The Nissan part works to reduce hazardous emissions by providing a means for vapor combustion in the engine which improves both effectiveness and safety standards. Didn't notice any performance change. Equip cars, trucks & SUVs with 2001 Nissan/Datsun Pathfinder Canister Purge Valve from AutoZone. Now the check engine light is on. Normally the code for the vc bypass valve is caused by the vc bypass valve solenoid valve not working. Parts I couldn't identify were EVAP Purge Volume Control Valve, Vacuum Cut Valve, Vacuum Cut Valve Bypass Valve, EVAP Purge Cut Valve. This component plays a crucial role in managing emissions by recirculating exhaust gases back into the engine's intake. 99. Havent tried anything Sep 7, 2023 · Repair Information for P0505 Nissan code. Do you need to replace the PCV valve on your 2000 to 2004 Nissan Xterra, 1996 to 2004 Nissan Pathfinder or 1998 to 2004 Nissan Frontier pick-up but don't know where to start? This video tutorial The EVAP evaporative emissions control system utilizes the Nissan Pathfinder Canister Purge Valve to perform vital operations by transferring fuel vapors through the valve from the charcoal canister to the engine intake system. It has one hose going to it and is mounted by two bolts. Sep 9, 2023 · Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Cleaning or replacing faulty valves and repairing vacuum leaks often resolves the issue, improving Aug 22, 2013 · The vacuum cut bypass valve is installed in parallel with the vacuum cut valve on the EVAP purge line that runs between the fuel tank and the charcoal canister. I am looking for the part number and diagram for the valve located next to the vapor canister. The EVAP canister vent control valve will then be closed to shut the EVAP purge line off. (exhaust is getting fixed very shortly) I just don't know exactly where the part is located. Mar 21, 2002 · If one of the applied vehicles has the MIL "ON" with DTC P1491 (Vacuum Cut Valve Bypass Valve) stored in Self-Diagnostic Results, use the service procedure in this bulletin and the appropriate Service Manual to help you diagnosis the incident, if it should occur. Brake booster looses vacuum when off. Went to my local Pull A Part grab 2 Vacuum cut valve/Vacuum cut bypass valves. I want to replace the valve but after reading all the posts. Can you assist me, please? May 22, 2017 · Tags 1447, 97 pathfinder, evap, p1447, pathfinder, purge control, ses, ses light, w or Oct 19, 2020 · I had this issue a month ago and changed the vacuum cut valve and the bypass valve by the canister and it didnt happen since. Cause: 2002 Pathfinder P1491 code comes up. As of this moment, I await the cut valve and the successful completion of yet another issue with this somewhat neglected, yet very capable vehicle. Apr 2, 2024 · Troubleshooting a Nissan P1490 Code? Learn what an EVAP Vacuum Cut Valve Bypass Valve Circuit Malfunction is and how to diagnose it. The vacuum cut valve bypass valve is a solenoid type valve and generally remains closed. Engine light problem, nissan service serviced and replaced evap purge valve. 5L with 97K. to/3i6mqhd My awesome Tool Box https://amzn. I went to O'Reilly's and when they looked it up they couldn't find it. This code is manufacturer-specific, primarily associated with Nissan and Infiniti vehicles. The usual cause is the solenoid sticks, meaning that the vacuum cut valve bypass valve should be replaced, but a short or open in the harness to it, or a poor connection in the harness connector, could set the code, as well. 3L. I know it's somewhere near the canister. I was fortunate enough to find one new genuine Nissan cut valve on eBay for $20. However, it seems that this solenoid is getting stuck and allowing the intake to perpetually suck on gas tank vapors. Aug 22, 2007 · Classification: EC02-008 Reference: NTB02-033 Date: March 21, 2002 DTC 1491 (VACUUM CUT VALVE BYPASS VALVE) DIAGNOSIS APPLIED VEHICLE (S): 1998-2002 All Models SERVICE INFORMATION This bulletin is an aid to the diagnostic procedures in the Service Manual for DTC P1491. Bypass hose replaced by a mechanic that had to remove the intake plenum. 19 Free shipping Sponsored 00-04 NISSAN XTERRA Vacuum Cut Bypass Solenoid & Vacuum Cut Valve Assembly $69. I do not know 1. However I have a trouble code p 1441 on my 1997 Nissan Pathfinder. What I see most of the time is the need to replace both together. Which is located above and away from the egr canister under the driver side rear bumper it is round and have about 3 hoses connected to it. this code is specifically for the vacuum cut valve bypass valve in the evap system. P0102 is a MAF sensor code. Came up with code p1491 EVAP vacuum cut valve/bypass circut malfunction. Nissan/Infiniti usually calls the purge valve the “EVAP Canister Purge Volume Control Solenoid Valve,” which is an extremely accurate name, but quite a mouthful. Inspect all hoses leading to and from the charcoal canister (it's under the driver's side rear of the vehicle) it for clogging or damage. I've heard of these failing before so I changed the valve, cleared the code, and it came back almost immediately (second start after I cleared it). com offers genuine Engine Control Vacuum Piping for 2004 Nissan Pathfinder with great price and fast delivery. I discovered the 2 large hoses were disconnected from the water separator. This is something you may be checking if you have an EVAP trouble code, such as P1456 or P1457. 97 qx4. fba euqgt bwrmm iijjdh pxyniaf tzqcn kwp lxtu axfxk vtkq ezux vdajam epd xudjdtry svmfr