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Lexus RX300 Problems

Find the most common issues based on Lexus RX300 owner complaints.
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Most Common Lexus RX300 Problems

The Check Engine Light may come on because a component of the oxygen sensor stops working. Replacement of the failed sensor should correct this concern.
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 Check Engine Light may illuminate because the mass air flow sensor sends incorrect information to the engine control computer. This can cause a loss of power on acceleration. A failed mass air ...
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0 Known Lexus RX300 Brakes Problems

0 Known Lexus RX300 Drive Train Problems

1 Known Lexus RX300 Electrical & Lights Problem

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 ...

4 Known Lexus RX300 Engine Problems

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 Lexus did not recommend frequent enough oil changes. Lexus will sometimes offer a discount on cleaning the engine if necessary. Owners who changed th...
Drivers of the Lexus RX300 may notice excessive oil consumption between oil changes, even to the extent of the engine oil warning light displayed on the multi-function display. This issue is known...

3 Known Lexus RX300 Exhaust & Emissions Problems

The Check Engine Light may come on because a component of the oxygen sensor stops working. Replacement of the failed sensor should correct this concern.
The Check Engine Light may illuminate because the mass air flow sensor sends incorrect information to the engine control computer. This can cause a loss of power on acceleration. A failed mass air ...
Intermittent failure of the purge control valve in the evaporative emissions (EVAP) system may cause the Check Engine Light light to illuminate.

0 Known Lexus RX300 Heating & Air Conditioning Problems

1 Known Lexus RX300 Maintenance Problem

The 1998-2003 Lexus RX300 may start and stall, or start and run at very low engine speeds when the engine is cold. The issue is a failed or dirty idle air control valve. This valve is mounted und...

0 Known Lexus RX300 Miscellaneous Problems

1 Known Lexus RX300 Suspension & Steering Problem

The front suspension might make noise when going over bumps or rough roads. The support bushing for the suspension commonly needs to be replaced to correct this concern.

10
Known Lexus RX300 Problems & Complaints

The Check Engine Light may illuminate because the mass air flow sensor sends incorrect information to the engine control computer. This can cause a loss of power on acceleration. A failed mass air ...
The Check Engine Light may come on because a component of the oxygen sensor stops working. Replacement of the failed sensor should correct this concern.
Drivers of the Lexus RX300 may notice excessive oil consumption between oil changes, even to the extent of the engine oil warning light displayed on the multi-function display. This issue is known...
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 Lexus RX300 has a known issue with the valves that if left unchecked, will cause burned valves and engine performance issues. The engine ‘breathes’ through valves that are pushed ...
Intermittent failure of the purge control valve in the evaporative emissions (EVAP) system may cause the Check Engine Light light to illuminate.
The 1998-2003 Lexus RX300 may start and stall, or start and run at very low engine speeds when the engine is cold. The issue is a failed or dirty idle air control valve. This valve is mounted und...
Sludge can build up in the engine because Lexus did not recommend frequent enough oil changes. Lexus will sometimes offer a discount on cleaning the engine if necessary. Owners who changed th...
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 front suspension might make noise when going over bumps or rough roads. The support bushing for the suspension commonly needs to be replaced to correct this concern.
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