The vacuum cut valve prevents the intake manifold vacuum from being applied to the fuel tank. The vacuum cut valve bypass valve is a solenoid type valve and generally remains closed. It opens only for on board diagnosis.

The vacuum cut valve bypass valve responds to signals from the ECM. When the ECM sends an ON (ground) signal, the valve is opened. The vacuum cut valve is then bypassed to apply intake manifold vacuum to the fuel tank." property="og:description">

For Shop Owners

P1491 NISSAN - Vacuum Cut Valve Bypass Valve

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?

Possible causes

  • Vacuum cut valve bypass valve
  • Vacuum cut valve
  • Bypass hoses for clogging
  • EVAP control system pressure sensor and circuit
  • EVAP canister vent control valve
  • Hose between fuel tank and vacuum cut valve clogged
  • Hose between vacuum cut valve and EVAP canister clogged
  • EVAP purge port of fuel tank for clogging
What does this mean?

Tech notes

If the EVAP canister is OK, and there are no other visual damage to the EVAP system (e.g. loose or broken hoses), replacing the vacuum cut valve bypass valve takes care of the problem.

There is a factory service bulletin for all 1998-2002 Nissan models.

What does this mean?

When is the code detected?

Vacuum cut valve bypass valve does not operate properly.

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1491 NISSAN Description

The vacuum cut valve and vacuum cut valve bypass valve are installed in parallel on the EVAP purge line between the fuel tank and the EVAP canister.

The vacuum cut valve prevents the intake manifold vacuum from being applied to the fuel tank. The vacuum cut valve bypass valve is a solenoid type valve and generally remains closed. It opens only for on board diagnosis.

The vacuum cut valve bypass valve responds to signals from the ECM. When the ECM sends an ON (ground) signal, the valve is opened. The vacuum cut valve is then bypassed to apply intake manifold vacuum to the fuel tank.

OBDII Code P1491 Nissan - Vacuum Cut Valve Bypass Valve - itimaster.ru

P1491 NISSAN Information for specific Nissan models

Need more help?

Do you need more help with the P1491 Nissan code? Ask a question to our users or find an automotive repair shop near you to help fix the OBDII code

P1491 NISSAN Comments

Help us improve itimaster.ru. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1491 Nissan code? Have you replaced any parts?
Any information is appreciated. Thanks
Repair Importance Level: 3
1=Low 2=Medium 3=High
Repair Difficulty Level: 3
1=Easy 2=Moderate 3=Hard

Browse All Codes For Specific Model YearBeta
Ford F150 1998 Ford F150
1999 Ford F150
2000 Ford F150
2001 Ford F150
2002 Ford F150
2003 Ford F150
Ford Fusion 2006 Ford Fusion
2007 Ford Fusion
2008 Ford Fusion
2009 Ford Fusion
2010 Ford Fusion
2011 Ford Fusion
2012 Ford Fusion
Honda Accord 2008 Honda Accord
2009 Honda Accord
2010 Honda Accord
Honda Civic 1996 Honda Civic
1997 Honda Civic
1998 Honda Civic
1999 Honda Civic
2000 Honda Civic
Infiniti G35 2003 Infiniti G35
2004 Infiniti G35
2005 Infiniti G35
2006 Infiniti G35
Nissan Altima 2002 Nissan Altima
2003 Nissan Altima
2004 Nissan Altima
2005 Nissan Altima
2006 Nissan Altima
2008 Nissan Altima
2009 Nissan Altima
2010 Nissan Altima
2011 Nissan Altima
2012 Nissan Altima
Nissan Maxima 2005 Nissan Maxima
2006 Nissan Maxima
2007 Nissan Maxima
2008 Nissan Maxima
Nissan Pathfinder 2005 Nissan Pathfinder
2006 Nissan Pathfinder
2007 Nissan Pathfinder
2008 Nissan Pathfinder
2009 Nissan Pathfinder
2010 Nissan Pathfinder
2011 Nissan Pathfinder
2012 Nissan Pathfinder
Nissan Rogue 2008 Nissan Rogue
2009 Nissan Rogue
2010 Nissan Rogue
2011 Nissan Rogue
2012 Nissan Rogue
2013 Nissan Rogue
Nissan Sentra 2002 Nissan Sentra
2003 Nissan Sentra
2004 Nissan Sentra
2005 Nissan Sentra
2006 Nissan Sentra
2007 Nissan Sentra
2008 Nissan Sentra
2009 Nissan Sentra
2010 Nissan Sentra
2011 Nissan Sentra
2012 Nissan Sentra
Toyota Camry 1997 Toyota Camry
1998 Toyota Camry
1999 Toyota Camry
2000 Toyota Camry
2001 Toyota Camry
2006 Toyota Camry
2007 Toyota Camry
2008 Toyota Camry
2009 Toyota Camry
2010 Toyota Camry
2011 Toyota Camry
Toyota Corolla 2005 Toyota Corolla
Toyota Echo 2000 Toyota Echo
2001 Toyota Echo
2002 Toyota Echo
Toyota Highlander 2001 Toyota Highlander
2002 Toyota Highlander
2003 Toyota Highlander
2004 Toyota Highlander
2005 Toyota Highlander
2006 Toyota Highlander
2007 Toyota Highlander
Toyota Prius 2004 Toyota Prius
2005 Toyota Prius
2006 Toyota Prius
2007 Toyota Prius
2008 Toyota Prius
2009 Toyota Prius
Scion xB 2005 Scion xB
2006 Scion xB
2007 Scion xB
Advertisement
Home - For Shop Owners - About itimaster.ru - Privacy Policy - Terms and Conditions - - Copyright 2010-2018 itimaster.ru
itimaster.ru - - - -
Posted and Edit by 08-25-2016

Related pages


toyota ecm recall97 nissan sentra engine2002 mountaineer problems1999 toyota corolla battery2006 saturn vue transmissionsubaru outback flashing cruise lightchevy impala ignition switch2005 equinox recalls2006 toyota rav4 transmission problems99 ford taurus engine2003 nissan xterra engine2009 nissan sentra recallsvolvo p0442import auto clinic anaheimmazdaspeed 3 o2 sensor1997 nissan sentra timing chain2004 ford f150 coil packt0420 codekia sportage troubleshootingvariable cam timing solenoid2001 corolla transmission2003 bmw 525i transmission2000 ford explorer egr tubekia carnival problems with engine2002 corolla problems2006 ford f150 electrical problemsobd code p21951996 chevy 1500 enginedodge neon camshaft position sensor96 honda passport problems1999 honda accord alternatorengine misfire code2000 suburban fuel pumptoyota tundra alternator problems97 honda accord check engine light2005 honda civic overheating1995 honda accord troubleshootingkia cvvt2009 saturn aura problemschevy malibu theft systemvz spark plugs2009 honda accord check engine light vsaml350 bluetec problemsengine nissanevap meaningtoyota corolla 2001 air filter2012 nissan versa check engine light2004 chevy trailblazer 4.2 liter v62001 honda civic overheatingp0500 speed sensor aford fusion thermostatp0715 honda accord 1997p0135 toyotaqx4 transmissionp0455 trouble codeo2 sensor heater malfunctionobd p0171nissan maxima cam sensor2004 trailblazer engineavanza problemsp 0300freelander transmission0032 area code0110 area codep0136 o2 sensor circuit malfunction2000 nissan altima knock sensorvw technical service bulletin2000 honda prelude exhaust1997 gmc envoychevy equinox 2011 recalls2008 bmw x3 service engine soon light2003 toyota tacoma catalytic converter2003 ford f150 4.6 coil packobd pending codesp0455 hyundaitiming crankshafthonda civic ecu location2000 pontiac sunfire transmission problems