2003 Lexus GS430 Problems

RepairPal has identified the most common problems with the 2003 Lexus GS430 as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problem

Occasionally, the Check Engine Light is illuminated due to failures in the evaporative emission (EVAP) system. Our technicians tell us that proper diagnoses is generally required to confirm the exact fault causing the warning light to come on.