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How to remove vapor pressure on a toyota - Cars & Trucks

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Posted on Jul 27, 2013


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What could cause excessive air pressure build up in the petrol tank of Toyota Camry 220 SEI 1996?

The tank is under pressure due to gasoline vapor , so if you here a rush of pressure when fueling don't worry about it.

Jun 29, 2016 | 1996 Toyota Camry

1 Answer

How do i replace the fuel pressure regulator

Replacing fuel pressure regulator on Toyota Vitz, Yaris and Eco:
1. Remove rear seat.
2. Remove rear service hole cover.
3. Remove fuel pump and vapor pressure connector.
4. Start the engine till it stops on it own and switch the ignition to OFF.
5. Remove the tube joint clip, wrap a piece of cloth around it and pull out the main tube.
6. Pinch the fuel emission tube connector clip and pull it out.
7. Remove the 8 bolts and fuel tank vent tube set plate.
8. Remove the fuel pump assembly.
9. Remove the O ring from fuel pump assembly.
10. With help of screw driver remove the fuel pump locking plate.
11. Remove the fuel pump regulator with screw driver a bit force fully.
12. Assemble the fuel pump assembly in the reverse sequence of dis assembly.

Hope that it works. Thank you for visiting Fixya.

Feb 15, 2015 | 2000 Toyota ECHO

1 Answer

Wheres vapor pressure sensor 97 2.4 buick

Have evap codes? a vapor pressure sensor is part of your canister evap system, located under rear of vehicle.

May 06, 2014 | 1997 Toyota RAV4

1 Answer

2002 Toyota forerunner fault code PO446

These are the listed trouble areas

Vacuum hose cracks, holes blocked, damaged or disconnected
Open or short circuit in vapor pressure sensor circuit
Vapor pressure sensor
Open or short in VSV circuit for EVAP
Open or short in VSV circuit for vapor pressure sensor
VSV for vapor pressure sensor
Charcoal canister cracks, holed or damaged

Aug 23, 2013 | Cars & Trucks

1 Answer

My corolla 2001 the engine light is on test by computer show po446 problem

P0446 Evaporative Emission Control System Vent Control Malfunction
 Vacuum hose cracks, holed blocked, damaged or disconnected (1), (4), (5), (6) and (7)
 Open or short in vapor pressure sensor circuit
Vapor pressure sensor
 Open or short in VSV circuit for vapor pressure sensor
 VSV for pressure switching valve for vapor pressure sensor
 Charcoal canister cracked, hole or damaged
 Fuel tank over fill check valve cracked damaged

Aug 30, 2011 | Toyota Corolla Cars & Trucks

2 Answers

Hello my 2000 toyota echo's check engine light is on and it is reading error codes po440,po441,po446 I was told it is something with the emissions what is the problem

It's probably the 02 sensor (technically dealing with the exhaust) which will make it fail emissions. I have been told it may also be a dirty mass air flow sensor, which is located in the same housing as the air filter box. I am having the same problems myself, and the car is hesitating and has no power.

Aug 24, 2010 | 2001 Toyota Corolla

1 Answer


The vapor pressure sensor, VSV for canister closed valve (CCV), VSV for pressure switching valve are used
to detect abnormalities in the evaporative emission control system.
The ECM decides whether there is an abnormality in the evaporative emission control system by the vapor
pressure sensor signal.
DTCs P0441 and P0446 are recorded by the ECM when evaporative emissions leak from the components
when there is a malfunction anywhere in the VSV for EVAP, the VSV
for pressure switching valve, or in the vapor pressure sensor itself.

checked basic , gas cap.

More than likely you need to take to a garage , rec. dealership
will have to perform a smoke check to see if there is a leak somewhere or wether there is a malfunction with a vac. solinoid valve(vsv)

Apr 17, 2010 | 2001 Toyota Camry Solara

2 Answers


Evap pressure sensor malfunction- Open short vapor pressure sensor circuit or ECM

Aug 02, 2009 | 1996 Toyota Avalon

2 Answers

Toyota T100 OBDII Code P0450 - Pressure Sensor Malfunction

P0450 deals with the Vapor Pressure Sensor, in the fuel tank vapor circuit. Buying a charcoal canister would not cure this.
Go to a Toyota dealer and tell the parts guy that you want a
Vapor Pressure Sensor.
It is on the vapor line, before the charcoal canister.

After you replace the sensor, remove the EFI fuse to clear the code.

I hope that this answers your question.

Please rate my assistance level with a FixYa rating
(4 blue diamonds)

Feb 10, 2009 | 1997 Toyota T100

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