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Problems for specific Toyota Avalon years:

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Newest reported 2000 Toyota Avalon problems

 

Reported by yrppcdp and 1 other for the Toyota Avalon

Periodically, for about a year, the VSC light would come on then go back off. then at 143000, the light came on and stayed on. Compute error log said to replace VSC Steering Sensor. Seems to have worked. Cost - $900.00

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Verified for the Toyota Avalon

On higher mileage vehicles, an engine misfire may develop and/or the Check Engine Light may illuminate due to a failed ignition coil. It is not uncommon to replace all the coils when the first one fails in order to prevent return trips to the repair shop.

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Verified for the Toyota Avalon

The Check Engine Light may illuminate because a component of the oxygen sensor stops working. As a result the engine computer is unable to determine the proper ratio of air to fuel for the engine. Replacing the failed oxygen sensor should correct this concern.

 

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Verified for the Toyota Avalon

The Evaporative system may have problems with the vapor canister releasing charcoal pellets that plug the vent valve. Typically a Code P0441, P0442 and P0446 will be set. The key code is the P0446 which is a vent valve electrical failure. The proper repair is to replace the entire canister with all the valves as a unit. This is located on top of the fuel tank and is expensive. Our Technicians tell us that for awhile Toyota was covering these problems, but this may have changed. It would not hurt to call the dealer if this problem occurs to see if Toyota is still helping with these repairs.

14 Reports
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Verified for the Toyota Avalon

Debris can get into the idle air control valve. This will restrict the air flow into the engine, causing idle speed and/or stalling when cold. The valve can be cleaned or replaced to correct this concern.

16 Reports
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Verified for the Toyota Avalon

Sludge can build up in the engine because Toyota did not recommend frequent enough oil changes. Lexus will sometimes offer a discount on cleaning the engine if necessary. Owners who changed their oil every 3,000 miles did not experience these problems. This sludge build up can lead to excessive oil consumption.

11 Reports
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Verified for the Toyota Avalon

Intermittent failure of a purge control valve in the evaporative emission system can cause the Check Engine Light to illuminate. A failed valve should be replaced to correct this problem.

 

20 Reports
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Verified for the Toyota Avalon

At higher mileages, (125,000-150,000) the automatic transmission may not shift correctly. This can be caused by the throttle position sensor being out of adjustment or a shift solenoid needing to be replaced. Typically the transmission does not need to be completely overhauled.

9 Reports
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Verified for the Toyota Avalon

An engine oil leak may develop from one or both valve cover gaskets, especially the one near the firewall.

14 Reports
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Verified for the Toyota Avalon

The 6 cylinder engines have a tendency to leak oil from the valve cover gaskets, especially the one near the firewall.

36 Reports
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Verified for the Toyota Avalon
A code P0770 or P0773 may occur at higher mileages which indicates that the 3-way lock-up solenoid is defective and will need replacement.
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