2003 Lexus GS300 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Lexus GS300
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2003 Lexus GS300 ProblemsCheck Engine LIght With Code P0135, P0141, P0155, or P0161
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.
2003 Lexus GS300 QuestionsPlease help me! I have a 03 Lexus just all of a sudden no breaks and loud alarm. (1 answer)
Loud alarm, when eng. starts no breaks. Drove fine the day before thin wham! No breaks! I did notice that the reservoir cap seal split and pice was found!
Probly not sealing, can this be a factor? Can the seal broken on the reservoir cap cause the problem by air getting in be the problem?
Replaced catalytic converter and smog tech said to perform a driving reset.
Will start but dies again