Question about 2000 Toyota Corolla

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Check engine light keeps coming on. auto has been to dealer 7 times and $600.00 repairs and the light still comes on. canister assemble,hoses valves,vacuum switch and new gas cap replaced . it seems that have now ordered a smoke machine which has not come in yet.

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  • retiredganga Feb 19, 2009

    i have been to auto zone. they made a print out several times.

    took to the dealer and they said they have to do their own print out of problem.



    seems as though i am going in circles with this.



    thanks for tkrying

  • retiredganga Feb 19, 2009



    THE READOUT TICKET SAYS:

    TROUBLESHOOTING P0440

    DEM BRAND - 0BDII - THE PCM HAS DETERMINED THAT A MALFUNCTION EXISTS IN THE EVATORATIVE EMISSION CONTROL SYSTEM.













  • retiredganga Feb 26, 2009

    CAN YOU TELL ME WHAT THE CHECK ENGINE LIGHT ON HAS TO DO WITH THE GAS TANK.

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On most OBDII cars and newer, the ECU is programmed to read the pressure inside the gas tank. if the tank is not at a certain pressure, the ECU will "think" there is a leak in the tank and will throw a code.

Posted on Mar 25, 2009

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First of all, please stop spending your money. you can't keep throwing things at it and expect something to be fixed. take your car to a shop and ask them to scan your vehicle with OBD 2(on board diagnostics) and it will read out a code and they will know what is wrong . if you do that post the code if you need any further assistance

Posted on Feb 17, 2009

  • Stephen Davids Feb 19, 2009

    what is the code that appears?

  • Stephen Davids Feb 20, 2009

    The purge solenoid might have failed. has that been checked?


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My engine light is on and the code is P0496, I have trouble starting my vehicle after fueling


Sounds like the purge solenoid valve.
Check out this website for more details. If it is the valve, the replacement will cost around $20 at any auto parts store.
http://www.obd-codes.com/p0496


May 14, 2014 | 2005 Chevrolet Uplander LS

1 Answer

Check engine light keeps coming on.


The canister is $363.00 on Rock Auto.Com

I would remove it & test each component

Then replace it as a whole, or get just the
individual parts from a salvage yard

But you'll have to know what your doing,
& need a diagram to see how it works

At that price-- you install yourself-- regardless

Mar 15, 2013 | 2001 Toyota 4Runner

1 Answer

Hyundai santafe 2004 how to fix p0456...or what are ur suggestions for repair? i was advised to change the gas cap!


Here's the procedure:

Purge Control Solenoid Valve (PCSV) Line Inspection
1. Ignition "OFF".
2. Disconnect the hose leading from the PCSV to the intake manifold at PCSV.
3. Using a vacuum pump, apply specified vacuum(Approx. 15 in, Hg) to the manifold side of the valve and verify PCSV holds vacuum.
4. Ignition "ON" & Engine "OFF".
5. Install scantool and select "EVAP PURGE VALVE" on the Actuation Test mode.
6. Activates "EVAP PURGE VALVE" by pressing "STRT(F1)" key.
7. Verify PCSV release vacuum while valve is activating(should hear a faint click from PCSV).
8. Repeat this procedure 4 or 5 times to ensure PCSV reliability.
9. Is PCSV working properly?
YES
? Go to "Canister Closing Valve(CCV) Line Inspection" procedure.
NO
? Verify arrow on PCSV is pointing towards intake manifold. If it is not, reverse installation. Reinstall as necessary.
? If OK, check for cracks or damage in hose connecting PCSV and intake manifold. Repair or replace as necessary.
? If OK, test with a new PCSV and check for proper operation. If problem is corrected, replace PCSV and go to "Verification of Vehicle Repair" procedure.
Canister Closing Valve(CCV) Line Inspection
1. Return vehicle to original condition.
2. Ignition "OFF".
3. Disconnect the hose connecting Canister Closing Valve(CCV) to canister.
4. Blow air to the canister side of the valve and verify air escapes to the air filter side.
5. Turn ignition on and jumper a wire to GND(back probe) at terminal 2 of the ECM connector(CCV valve should click).
6. Blow air into hose and verify air does not escape.
7. Repeat this procedure 4 or 5 times to ensure CCV reliability.
8. Is CCV working properly?
YES
? Go to "Fuel Tank Pressure Sensor Inspection" procedure.
NO
? Check for cracks or damage in hose connecting CCV and canister. Repair or replace as necessary.
? If OK, replace CCV. If CCV was stuck closed, inspect all lines and canister for liquid fuel. Replace any contaminated components and blow out lines and go to "Verification of Vehicle Repair" procedure.
Fuel Tank Pressure Sensor Inspection
1. Start engine and install scan tool.
2. Monitor "FUEL TANK PRESSURE" parameter on the current data list with depressing increasing engine speed.
Specification : Signal value will vary between -2mmHg to 2 mmHg depending on variation in engine speed.
A. Approx. 0~2 mmHg(2.5V) at Ig. On
B. Approx. 0 mmHg at 1400rpm .
C. Approx. -2 mmHg at 4000rpm.

3. Is signal value within specification?
YES
? Go to "PCSV to Canister Line Inspection" procedure.
NO
? Check for cracks or damage in hose connecting canister and fuel pump. Repair or replace as necessary.
? Check for open or short in FTPS harness. Repair as necessary.
If OK, test with a new FTPS and check for proper operation. If problem is corrected, replace FTPS and go to "Verification of Vehicle Repair" procedure.
PCSV to Canister Line Inspection
1. Check for leakage in hose.
(1) Disconnect the hose leading from the canister to the PCSV at canister.
(2) Using a vacuum pump, apply specified vacuum[Approx. 10cmHg(4 inHg)] to the manifold side of the valve and verify PCSV holds vacuum.
(3) Monitor vacuum pressure for 1 minute. After 1 minute, pressure should not drop more than 2cmHg(0.8 inHg).
(4) Is pressure within specification?
YES
? Go to "2. Check for leakage in canister" procedure.
NO
? Check for cracks or damage in hose connecting PCSV and canister. Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure.

2. Check for leakage in canister.


Thoroughly check all fuel vapor hoses and hose clamps between:
1. Canister and fuel tank.
2. Canister and CCV.
3. Canister and PCSV.

If NG, replace hose or clamps as necessary and go to "Verification of Vehicle Repair" procedure.
If OK, go to next step as below.
(1) Disconnect hose clamps and remove canister assembly .
(2) Block the hose of between:
A. Canister and fuel filler neck.
B. Canister and CCV.
C. Canister and PCSV.

(3) Apply maximum of 10cmHg(4 inHg) pressure through fuel tank port from canister.
(4) With system sealed and pressurized, check for leaks.
(5) Were any leak(s) found?
YES
? Repair or replace leaking system component(s) and go to "Verification of Vehicle Repair" procedure.
NO
? Go to "Fuel Tank Line Inspection" procedure.

Fuel Tank Line Inspection
1. Relieve the fuel system pressure and remove the fuel tank.


Before removing the fuel tank, make sure the fuel hoses are not leaking.

2. Block all of the following outlets:
(1) Fuel lines.
(2) Fuel filler neck.

3. Apply maximum of 10cmHg(4 inHg) pressure to the EVAP. hose at the fuel tank. Then, pinch the EVAP. hose to retain the pressure.
4. Check the suspect area for leaks with a soap solution.
5. Were any leak(s) found?
YES
? Repair or replace leaking system component(s) and go to "Verification of Vehicle Repair" procedure.
NO
? Check for poor connection between ECM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "Verification of Vehicle Repair" procedure.

Jun 30, 2011 | 2003 Hyundai Santa Fe

1 Answer

P1443 code How do I fix this code problem on my 97 Ford ranger?


P1443 is the Evaporative Emission Control System Control Valve. Any time you get this code always check your gas cap. If it is not installed all the way, or leaks, it can cause the evap emission code to come up. If the cap is okay...

The problem is probably caused by the Canister Purge Assembly. This assembly connects the intake manifold to the charcoal canister and the assembly is made up of hoses, a valve and a sensor. On the 1997 Ranger, it is located near the front of the engine compartment on the driver's side (the canister is right behind the driver's side headlight). Apparently, if there are any cracks in the hoses, or if the valve or the sensor wears out, this will cause the check engine light to come on, and return the P1443 code.

Part numbers for the canister purge solenoid/flow sensor assemblies:

F57Z-9C987-AB Canister Purge Solenoid/Flow Sensor
Assembly - 2.3L F57Z-9C987-CA Canister Purge Solenoid/Flow Sensor
Assembly - 3.0L F57Z-9C87-BA Canister Purge Solenoid/Flow Sensor
Assembly - 4.0L

Part cost = $65 to $100 depending on engine size - good luck :O)

Feb 17, 2011 | Ford Ranger Cars & Trucks

1 Answer

Vacuum hose boot doesn't "snap" on, like a spark plug boot would (the inside part is missing) what can I do to keep it from coming off? It just fits on loosely, so I continue to get the "check engine"...


Try an auto parts store that stocks a wide variety of boots that may replace the current boot or hose which isn't fitting correctly, causing a vacuum leak, causing the check engine light.

May have to cut off a portion of the old hose or boot to rejoin using aftermarket rubber vacuum hose parts.

Good luck on this repair.

Oct 07, 2010 | 1999 Ford Taurus

2 Answers

The check engine light on my 2004 nissan pathfinder keeps going on. I have had it fixed once for $500. What could be the problem and how can I avoid another costly repair?


Try taking off your gas cap and installing it again. This can do the trick sometimes. If not you will have to go purchase a reader and see what code it comes up with.

Aug 17, 2010 | 2001 Nissan Pathfinder

2 Answers

1996 Ranger-code P1443-"auxillary emmisions controls" is the decription that I got from Advance Auto Parts diagnostic--What can the problem be?


the Canister Purge Assembly. This assembly connects the intake manifold to the charcoal canister and the assembly is made up of hoses, a valve and a sensor. it is located near the front of the engine compartment on the driver’s side (the canister is right behind the driver’s side headlight). Apparently, if there are any cracks in the hoses, or if the valve or the sensor wears out, this will cause the check engine light to come on, and return the P1443 code.

Oct 05, 2009 | 1997 Ford Ranger SuperCab

1 Answer

Check engine light 97 mercury tracer code p1443


9 times out of 10, your gas cap isn't tightened properly. Check the PCV valve and connecting hose for damage or crimps. Look for broken or disconnected vacuum lines coming from the canister (located under the air cleanner). If they're all good, check the "canister purge solenoid" (passenger side firewall). You will need to reset the code after you make any repair to turn off the check engine light.

Jun 11, 2009 | 2001 Lincoln Continental

1 Answer

Check engine Light


The P0455 indicates you have a gross vacuum leak in the EVAP system.
Start at the engine and the vacuum purge valve, start checking the vacuum hoses and lines all the way back to the EVAP canister near the gas tank. Make sure no hose or lines are cracked / disconnected.
If all looks OK, let me know and we will proceed from there. Below is a schematic of the EVAP system for reference.
Good luck and let me know.
Regards,
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Feb 21, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

2004 Pontiac Grand Prix Evaporative Canister


you should be able to fix it look for a can near the fuel tank that has vacuum hoses coming out of it and you should be able to just buy the bad solenoid

Nov 03, 2008 | 2004 Pontiac Grand Prix

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