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Lexus Problems

RepairPal has identified the most common problems for 43 Lexus models based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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168
Known Problems

The Check Engine Light may illuminate with code P0346 stored. Our technicians tell us that reprogramming the powertrain control module (PCM) is sometimes necessary to correct this issue.

A knocking sound may be heard at idle, when the air conditioning is off and the automatic transmission is in "Drive". Several changes have been made to improve this; a computer software upgrade, revised valve lash adjusters, and a redesigned timing chain are all available to try and correct this concern.

Various issues may develop with the multi-display panel. Our technicians tell us a redesigned multi-display panel is available which may correct these concerns.

Vehicles equipped with premium Mark Levinson stereo may experience no sound or volume that goes to maximum level by itself. An improved amplifier is available to rectify this problem.

When filling the fuel tank, the fuel nozzle may click off before the tank is full. Our technicians tell us a revised fuel filler neck is available which may correct this concern.

An extended cranking or hard starting issue may develop. Our technicians tell us there is updated powertrain control module (PCM) software available which may correct this concern.

Various user interface issues regarding GPS, radio system, and heater controls, along with bluetooth operation have been addressed with a software upgrade. Our technicians recommend that if you have issues with these systems, checking for the latest software should be the first step in diagnoses.

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 their oil every 3,000 miles did not experience these problems. This sludge build up can lead to excessive oil consumption.

Various concerns with the navigation & heater control display, along with Bluetooth compatibility may be corrected by upgrading the appropriate software.

The Check Engine Light may illuminate with five EVAP system related fault codes stored. Our technicians tell us this is generally caused by a faulty EVAP system pump module, which is an integral part of the charcoal canister. A revised canister is available to correct this concern.

The sunroof may not close correctly or jam due to alignment issues. Our technicians tell us a wind deflector kit is available to correct this issue.

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.

The Check Engine Light may illuminate due to an evaporative emission (EVAP) system fault. Our technicians tell us these EVAP system faults can be difficult to diagnose but it is not uncommon to find a failed charcoal canister or a loose or worn gas cap.