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2000 Toyota Avalon Problems

Find the most common issues based on 2000 Toyota Avalon owner complaints.
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Most Common 2000 Toyota Avalon Problems

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 ...
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...
The 6 cylinder engines have a tendency to leak oil from the valve cover gaskets, especially the one near the firewall.
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0 Known 2000 Toyota Avalon Brakes Problems

2 Known 2000 Toyota Avalon Drive Train Problems

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 b...
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.

4 Known 2000 Toyota Avalon Electrical & Lights Problems

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 ...
The motor for the rear window sunshade in the Toyota Avalon is known to fail. When this occurs, the sunshade will not extend down the window, and a grinding noise is heard until the motor fails as ...
If the engine will not crank over, the most common problem is the starter. These will tend to go out at about 100,00-125,000 miles. Sometimes it is only the starter solenoid, but often the comple...

8 Known 2000 Toyota Avalon Engine Problems

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

3 Known 2000 Toyota Avalon Exhaust & Emissions Problems

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...
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 P044...
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.

0 Known 2000 Toyota Avalon Heating & Air Conditioning Problems

0 Known 2000 Toyota Avalon Maintenance Problems

0 Known 2000 Toyota Avalon Miscellaneous Problems

2 Known 2000 Toyota Avalon Suspension & Steering Problems

Toyota issued a recall on one of the connections in the steering shaft that was not welded properly, which could cause steering problems. This can be repaired free of charge at a Toyota dealership....

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Known 2000 Toyota Avalon Problems & Complaints

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...
The motor for the rear window sunshade in the Toyota Avalon is known to fail. When this occurs, the sunshade will not extend down the window, and a grinding noise is heard until the motor fails as ...
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 ...
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...
The 6 cylinder engines have a tendency to leak oil from the valve cover gaskets, especially the one near the firewall.
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 b...
The Toyota Avalon with the 3.0L V6 engine has a known issue with the valves that if left unchecked, will cause burned valves and engine performance issues. The engine ‘breathes’ throu...
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 P044...
If the engine will not crank over, the most common problem is the starter. These will tend to go out at about 100,00-125,000 miles. Sometimes it is only the starter solenoid, but often the comple...
An engine oil leak may develop from one or both valve cover gaskets, especially the one near the firewall.
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.
The mass air flow sensor on higher mileage cars occasionally needs to be cleaned or replaced if sluggish acceleration is experienced or the Check Engine Light is illuminated with a mass air flow me...
The engine mount on the passenger side of the car can wear out on cars with high mileage. This will put extra stress on the other mounts and the faulty mount will need to be replaced.
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 t...
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