Top 20 1994 Lexus GS 300 Questions & Answers

check the TPS sensor and circuit

Did that shop show her the OBDII scan print out to justify any recommended repairs? Now you don't know what you've got or what the original problem was. How did the wiring get tangled up? Always let the OBDII scan print out of the stored fault history, be your guide to any repairs. You have to watch these shops, they will build you a new car at twice the cost.

The best way replace with new one first check for codes before do anything.

What does this fuse control?

Well, if you were in an accident on the rear quarter panel, I might think that the wheel could have gotten hit as well causing it to be out of alignment. If your vehicle was repaired after the accident, I would return it to the shop and let them know that you are having issues with the tire wear and see if they can submit a supplemental to the insurance company to cover any part replacement, labor, and tire replacement. If your vehicle was not repaired after the accident I think I would take it to an alignment shop before the tire is completely worn out.

when you lock the doors it automatically arms itself. you can disarm by inserting the key in the driver's side door and unlock the door lock, it should disarm if the alarm goes off.

does the vehicle cranks? does it have fuel at the fuel rail? if it does not check fuel pressure, chances are that the fuel pump is out.

Remove the tensioner and replace it.

Bad gas, fuel filter, plugs and wires, oxygen sensor. Not really enough info to tell you specifics

Try fuel filter or catalyc converter.

Could be a faulty injector. Or a problem with the wiring harness or the engine computer.

Try catalyic converter, but first check fuel filter.

Check fuel filter.

How to Read Clear Diagnostic Trouble Codes1990 1994 Lexus LS400 The above link should give the info on how to check for codes.

On the 94 models there is a rectangular service connection box near battery lift lid and jumper te to e1 then turn key on (do not start car) watch the check engine light flash the first sequence is ten series and a pause then single digits next repeat then next code and keep going and will start over.

IF YOU ARE FEELING MECHANICAL YOU CAN ALWAYS BUY A HIGH CFM FAN FROM THE PART STORE JUST MEASURE YOUR FAN AND GO UP THERE AND JUST HARD WIRE THE NEW FAN IN. WILL OPERATE JUST LIKE FACTORY BUT NO CONNECTOR UNLESS YOU CAN REPIN THE FACTORY WIRING

Have the distributor ignition module tested/replaced and test the coil as well as it appears that the unit/s are overheating and failing

IT COULD DUE TO LOW BRAKE FLUID OR NEED OF NEW SET OF BRAKE PADS

try the 100 amp fusable link located in the power distrubition center under the hood , i had a similar problem and that fixed it good luck