Question about 2001 Toyota Corolla

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VSV replaced hard start 2001 toyota corolla

My mother in law recvd this code and the dealer replaced the vsv. Ever since her car is hard to start. Could it be a hose not replaced correctly or something?

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Most of the time hard to start could meen bad battery week or coroded cables of a high amp draw in the starter motor

Posted on Aug 03, 2009

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Circuit fault 2000 camry P0446


P0446, This is a EVAP code,check the gas cap is the seal torn?Do you tighten the gas cap properly,If there is a circuit problem this will reside in the CCV (canister closed valve),VSV (pressure switching valve),or a disconnected hose at the charcoal canister,if anything just replace the gas cap first,clear the code and go from there

Aug 11, 2012 | 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
 ECM

Aug 30, 2011 | Toyota Corolla Cars & Trucks

1 Answer

Where is the vsv on my 2001 Toyota Solara?


VSV SWITCH LOCATED NEAR THE EXHAUST MANIFOLD.

Oct 31, 2010 | 2001 Toyota Camry Solara

1 Answer

OBDII CODE PO446. WHAT NEEDS TO BE REPLACED


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

1 Answer

Do you need the a/c vsv?


VSV = Vacumn switching valve, yes you need it

Apr 04, 2010 | 1993 Toyota Corolla

1 Answer

2001 toyota 4runner< engine light on, code comes out to be - p0441 auto zone said change gas cap, i did, 2 weeks later light comes on again< what do you think?


You can get this code if you don't tighten the gas cap all the way, or the gas cap is bad. I will put all the detail for the code below and what I would do to fix the problem...

NOTE: Do not top off your tank either. This could cause the 'overfill check valve' to fail, and could cause this code.

Definition of P0441: Evaporative Emission Control System Incorrect
Purge Flow

Detection logic:
DTCs P0441 and P0446 are recorded by the ECM when evaporative emissions leak from the emissions components
or when there is a malfunction in either the VSV for EVAP, the VSV for
pressure switching valve, or in the vapor pressure sensor itself.
detection cause: Pressure in charcoal canister and fuel tank does not drop or
drop in pressure increased beyond the specified limit during
purge control (2 trip detection logic)

What I would do:
1. Replace fuel cap and reset computer. If code returns, then proceed to next

The next steps require a diagram, so the purchase of service manual to locate the components is very helpful

2. Check for vacuum leaks in ALL emission hoses
3. Check VSV valve operation (there are three; they are ~$75 new from dealer, and sometimes fail)
4. Check for cracks or leaks around or in the charcoal canister (usually requires a smoke machine)
5. check for voltage to VSV's
6. Last resort: take it to the dealer and have them run a diagnosis. This should run between $50-$100.

Good luck!

-Chris

Dec 11, 2009 | 2001 Toyota 4Runner

1 Answer

Engine light keeps coming on


The P-0440, P-0441 and P-0446 indicates that you have a leak in the "fume" side of the system. Normally, seeing a 440-441-446 is a loose or defective fuel cap. One would NOT change the evap VSV for a 440-441-446 set of codes. At this point, I agree with you regarding the trust issue. Regarding the caisiter, I cannot speculate yes or no, without further info/codes/etc from your dealer, but, I have replaced several over the past few years; this "could" be true....

Oct 14, 2008 | 2001 Toyota Corolla

2 Answers

Engin light stays on in my toyota corolla


the car has been back to the dealer 4 times for the same problem. First time they claimed that they replaced malfunction tank by-pass vsv and codes mentioned are P0440, P0441 and P0446 that were malfunction. the second time they connected the car to their computer and re-scan the vehicle and told us that everything is working fine and the engine light is off, but after one day the light came back and the car went back to the dealer for the third time and now they claim that the problem is from charcoal canister and has to be changed. also after the second visit as soon as i got in my car i could small gas and it hasn't gone away and the dealer says they did nothing wrong and all the problem is from the canister. we really don't know if we can trust what they say.

Oct 08, 2008 | 2001 Toyota Corolla

1 Answer

1996 Toyota Previa code p0441


P0441 is Evap Emission Incorrect Purge Flow; the repair you are describing is easy, and should correct the P0441 restricition...I would anticipate no large problems.

Oct 07, 2008 | 1996 Toyota Previa

1 Answer

RAV 96 VSV


HI.....
The problem on your Vehicle related with the VSV.
VSV . VACCUM SWITCH VALVE..


But the problem is you have 3 VSV On your car.
And all of 3 affect the Emission or smog TEST.

1---- EGR VACCUM SWITCH VALVE
2-- EVAP VACCUM SWITCH VALVE
3---- VAPOR PRESSURE SENSOR VACCUM SWITCH VALVE..

All are located on Left side of Engine compartment.
the EGR VSV on left side of the angine.

Are a Small selenoid with 2 small hoses and one connector of 2 wires.

Ok.. But I recomend get the Vehicle SCANNED for get the right codes.
You can go to some autoparts, Advance, Autozone, Napa, Pepboy's,
They scan your vehicle with no charge , is just a complementary service.
With the Codes you will FIX or REPLACE the right part.

OK... I hope this hlep on your problem.
If you need more information I will able to help.
Thank you for use fixa..

Oct 01, 2008 | 1996 Toyota RAV4

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