2003 Lexus GS300 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Lexus GS300

2003 Lexus GS300 Problems

The Check Engine Light may illuminate due to an O2 sensor heater fault. Most commonly the affected O2 sensor will need to be replaced to correct this concern.

The Check Engine Light may illuminate due to an EVAP system fault. These faults are commonly EVAP canister or gas cap related. Our technicians recommend diagnosing the stored fault codes before replacing any components.

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2003 Lexus GS300 Questions

Will start but dies again

shop diagnosed as replace exhaust manifold,catalyatic converters,center pipe,oxygen sensorsX3 and gaskets -$3675.00 Showing code P0430 catalyst efficiency below threashold
This happened a week ago and are still on. if the converters are below effeciency ,any way of cheating the lights...

This ck enging and vsc light comes on then goes off and after a few days it comes on again.cant figure it out

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2003 Lexus GS300 Reviews

car runs great. I feel like an extention of the car. I have 20"giavanna wheels,the car rolls like it`s on ice. I like it more then my BENZ. ac is cold,cold,cold. cd`s sound good. engine runs cool on very hot days,that means alot.i brought the car at 177,024 mi.I now have 179,200.hope to get well over 300,000 got the car from a auction in VA. I think I`m in LOVE i have

Hi, my 2003 GS300 Sport Design has been the most luxurious car I've had the pleasure to own. Recently I've had a couple of hic-ups: 1. Rodents got into my air filter compartment and heater fan blower; After shelling out $460 to replace the blower and clean out the nest in both the heater vent and air filter comparment, on the advice of the dealer, I've added a Bounce brand laundry softner...

Hi, my 2003 GS300 Sport Design has been the most luxurious car I've had the pleasure to own. Recently I've had a couple of hic-ups: 1. Rodents got into my air filter compartment and heater fan blower; After shelling out $460 to replace the blower and clean out the nest in both the heater vent and air filter comparment, on the advice of the dealer, I've added a Bounce brand laundry softner...

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