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Toyota Highlander Problems

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

A problematic center airbag sensor can cause the airbag malfunction light to illuminate.
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...
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...
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0 Known Toyota Highlander Brakes Problems

0 Known Toyota Highlander Drive Train Problems

2 Known Toyota Highlander Electrical & Lights Problems

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

6 Known Toyota Highlander Engine Problems

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...
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...
The VVT-i oil line is known to burst. This is a very large leak which covers the ground, engine, and undercarriage. If the oil line ruptures while driving, the low engine oil message and engine oi...

2 Known Toyota Highlander 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...
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 Toyota Highlander Heating & Air Conditioning Problems

0 Known Toyota Highlander Maintenance Problems

0 Known Toyota Highlander Miscellaneous Problems

0 Known Toyota Highlander Suspension & Steering Problems

12
Known Toyota Highlander Problems & Complaints

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 c...
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...
A problematic center airbag sensor can cause the airbag malfunction light to illuminate.
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 VVT-i oil line is known to burst. This is a very large leak which covers the ground, engine, and undercarriage. If the oil line ruptures while driving, the low engine oil message and engine oi...
The 2001-2003 Toyota Highlander 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 ‘breathe...
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...
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.
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...
The head gasket may fail due to a defect in manufacturing of the cylinder block. On this vehicle, the head bolts are known to pull the threads out of the engine block, allowing the head to slightl...
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