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Toyota Avalon 2005-

14761 messages,  Last post on Nov 05, 2009 at 5:31 PM

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What is this discussion about? Toyota Avalon, Sedan


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#14635 of 14761
Re: A rough few weeks.... [Lulu44] by fin
Dec 20, 2008 (10:35 am)
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Replying to: Lulu44 (Dec 20, 2008 9:42 am)

Here is some info, taken from About.com on autos:
 
SYSTEM DESCRIPTION:
This system controls flow rate of fuel vapor from the EVAP canister. The opening of the vapor by-pass passage in the EVAP canister purge control solenoid valve changes to control the flow rate. The EVAP canister purge control solenoid valve repeats ON/OFF operation according to the signal sent from the ECM. The opening of the valve varies for optimum engine control. The optimum value stored in the ECM is determined by considering various engine conditions. When the engine is operating, the flow rate of fuel vapor from the EVAP canister is regulated as the air flow changes.
 
The good news is that this is part of the emission control system on the car and should be covered by Toyota under warranty (my opinion). Call a local Toyota dealer and ask. Hope this helps... Enjoy your Avalon... and post your results for others to see when you get an answer...
#14636 of 14761
Re: A rough few weeks.... [Lulu44] by alan_s
Dec 20, 2008 (10:37 am)
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Replying to: Lulu44 (Dec 20, 2008 9:42 am)

The purge cannister valve is part of the emissions system and may be covered by the emissions warranty: Check your owner's manual.
 
"Federal Emission Coverage: Components under the federal emission defect warranty are covered for 36 months/36,000 miles and specified major emission control components are covered for 8 years/80,000 miles. Specified major emission control components under emission performance warranty are also covered for 8 years/80,000 miles. In addition, emission performance warranty is applicable for 24 months/24,000 miles in states and local jurisdictions that require a periodic EPA-approved inspection and maintenance program.
 
California Emission Control Coverage: In California and any other state that adopts California emission warranty provisions, performance warranty and defect warranty coverage is applicable for 36 months/50,000 miles, and specific control devices are covered for 7 years/70,000 miles."
#14637 of 14761
Re: A rough few weeks.... [fin] by Lulu44
Dec 20, 2008 (11:02 am)
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Replying to: fin (Dec 20, 2008 10:35 am)

Thanks for the info. I will post any updates.
#14638 of 14761
Re: A rough few weeks.... [alan_s] by Lulu44
Dec 20, 2008 (11:07 am)
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Replying to: alan_s (Dec 20, 2008 10:37 am)

I live in Kentucky and we did away with emissions testing last year. Will that have any bearing on warranty coverage? How do I know which one of the warranties you mentioned above fits my situation; I want to make sure I am totally armed when I make my final visit to the dealership. Thanks for your help!
#14639 of 14761
Re: A rough few weeks.... [Lulu44] by wwest
Dec 20, 2008 (12:09 pm)
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Replying to: Lulu44 (Dec 20, 2008 9:42 am)

Maybe you removed the gas cap without adding fuel, enough fuel..
 
Or maybe you left the gas cap loose....
 
"took it to a mechanic."
 
Who would more likely than not take advantage of you even if the problem were as simple as above.
#14640 of 14761
Re: A rough few weeks.... [Lulu44] by 9119911
Dec 20, 2008 (12:46 pm)
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Replying to: Lulu44 (Dec 20, 2008 9:42 am)

Before handing out a lot of money check/have somecheck the vacuum line under the engine air filter. These often come off when someone changes or checks the filter. Have someone else check the computer to see what the problem is. In Ga. Autozone will check it free, others that I know of is O'Reilly's. They will also sell you a part and some times install it for you free, depending on the length of time it takes.
 
Good Luck,
 
9119911
#14641 of 14761
Re: A rough few weeks.... [wwest] by Lulu44
Dec 20, 2008 (3:16 pm)
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Replying to: wwest (Dec 20, 2008 12:09 pm)

I tried the gas cap thing already and nothing happened. I am going to get a second opinion before I do anything.
#14642 of 14761
Re: A rough few weeks.... [9119911] by Lulu44
Dec 20, 2008 (3:20 pm)
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Replying to: 9119911 (Dec 20, 2008 12:46 pm)

Thanks for that bit of information. We don't have an O'Reilly's, but I will take it to AutoZone before I go to the dealership.
#14643 of 14761
Re: A rough few weeks.... [Lulu44] by gomst1
Dec 21, 2008 (8:40 am)
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Replying to: Lulu44 (Dec 20, 2008 3:20 pm)

If you left the gas cap off or something stuck open in the evap sys the code will be P0455=Evap Sys Gross Leak Detected. If you tightened the gas cap but not tight enough the code will be any of the following: P0455; P0442=Evap Small Leak or P0456=Evap Very Small Leak. Depending on the condition of the purge valve, you may have the same codes above so, it is not only the purge valve that can cause the above codes. Any problems on the Evap sys may give you these codes.
#14644 of 14761
Re: A rough few weeks.... [Lulu44] by wwest
Dec 21, 2008 (8:55 am)
Reply

Replying to: Lulu44 (Dec 20, 2008 3:16 pm)

Assuming the initial problem might have been the gas cap it may take several days, "drive cycles" (depends on "your" driving style) to clear the CEL.

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