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GS400

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Question
low idle around 400 rpms
This generation of Lexus GS models has a known issue for this and can often be corrected by cleaning the throttle body. I would also recommend testing the MAF (Mass Air Flow sensor) as well as this can lead to...
Question
After valve cover gasket replacement, compressor broke
Hi there. Thanks for writing in about your 2000 Lexus GS400. Compressors can go bad due to oil saturation. It is likely that the technician spilled additional oil on the compressor when replacing the valve cover. The technician may have...
Question
2000 Lexus GS400 has new battery, but will not start
Hello. Thanks for writing in about your 2000 Lexus GS400. There are various reasons for a car not to start. The best way to determine what component is causing this is by having a technician scan the VSC (vehicle stability...
Question
After tune up, alternator ruined by oil leak
Hello. The issue you are having is likely a ground wire fault that keeps blowing the fuse. Fuses blow when there is too much current for The ground circuit to release. Electricity is energy. Energy can't be created or destroyed,...
Question
What are the Torque specs for a inner tie rod
The torque specification for the lock nut is 41 foot pounds. The specification for the ball joint end is 64 foot pounds.
Question
I'm getting an "Oil Pump Pressure Is Low" warning light on my dash, followed by loud tapping sounds from the engine.
The oil pressure sensor only "reads" and reports pressure. The sensor itself cannot "affect" or "set" pump pressure. If the oil pressure warning light illuminates AND there is coincident unusual engine noise, that almost undoubtedly means that oil pressure really...
Question
High pitched whistle sound
It sounds like you may be having an issue with your suspension or brakes on the passenger rear side of the vehicle. I would recommend a brakes and suspension inspection be performed on your vehicle by a qualified professional to...
Question
Car stopped while I was driving it; Check engine light is also on.
Have your computer checked to see if there is any pending or stored codes. This will lead you to a location on the engine for troubleshooting. There are many symptoms that can contribute to a stalling and no start condition...

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