1992 Lexus LS400 trac off and engine light appeared while driving remained on So far vehicle runs fine What might be cause or issue Is it safe to drive without causing damage?

The traction off and engine light appearing on your 1992 Lexus LS400 dashboard can indicate various potential issues. While the vehicle may continue to run seemingly fine, it's important to address these warning signs promptly to avoid any potential damage or risks.

Here are a few possible causes and considerations:

1. Traction Control System Issue: The traction off light indicates a problem with the vehicle's traction control system. This system is designed to prevent wheel slip and maintain traction, especially in slippery conditions. A faulty wheel speed sensor, a problem with the traction control module, or wiring issues could trigger the light.

2. Engine Warning Light: The engine light is a general indicator of a problem with the engine or related systems. It can point to various issues, such as problems with the oxygen sensors, fuel injection system, ignition system, catalytic converter, or other emission-related components.

Since your vehicle is a 1992 model, it may not have an advanced onboard diagnostics system (OBD-II) that can provide more specific trouble codes. In such cases, further diagnosis is required by a qualified mechanic who can use specialized equipment and expertise to pinpoint the exact cause of the warning lights.

It's not advisable to continue driving without resolving these issues. While the vehicle may seem to operate normally, underlying problems can escalate and potentially cause more significant damage or even safety hazards.

Here's what you can do:

1. Safety First: If the warning lights appear while driving, find a safe location to pull over and turn off the engine. Continuing to drive with these indicators could increase the risk of compromising the vehicle's performance and safety features.

2. Seek Professional Diagnosis: As soon as possible, take your vehicle to a trusted mechanic or automotive service center. They can perform diagnostic tests, such as reading trouble codes and inspecting the vehicle's systems, to identify the root cause of the warning lights.

3. Repair or Maintenance: Depending on the diagnosis, the mechanic will recommend necessary repairs or maintenance to address the underlying issues. It's important to prioritize the recommended repairs to ensure the reliability and safety of your vehicle.

Remember that ignoring warning lights or prolonging necessary repairs can lead to more extensive and costly problems in the future. It's always better to address these issues promptly to ensure a smooth and safe driving experience.