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Problems for specific Toyota Highlander years:

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Most reported 2001 Toyota Highlander problems

 

Verified for the Toyota Highlander

When changing the air filter, it is easy to knock off a hose on the air filter housing, which is part of the emission control system. If the vehicle is driven with this hose disconnected, the Check Engine Light will illuminate.

22 Reports
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Verified for the Toyota Highlander

A problematic center airbag sensor can cause the airbag malfunction light to illuminate.

15 Reports
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Verified for the Toyota Highlander

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.

10 Reports
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Verified for the Toyota Highlander

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.

8 Reports
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Verified for the Toyota Highlander

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.

5 Reports
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Verified for the Toyota Highlander

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.

5 Reports
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Verified for the Toyota Highlander

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.

2 Reports
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Reported by cpamav and 1 other for the Toyota Highlander

Compressor went out on Dec 31, 2009 with about 149K on the vehicle. Dealer replaced the compressor and now it has gone out again with about 164K on the vehicle almost one year later. Was not driving in unusual conditions - just started squealing like a belt or something was loose. With the cost of the part and the labor, it was about $1,000 for the first repair. Am hopeful there is a warranty when I take it in tomorrow.

2 Reports
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