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2002 Lexus SC430 4.3L MIL Lamp on
Posted to Asian Driveability on 5/14/2026 8 Replies

check engine light on po125 insufficent coolant temperature for closed loop fuel control, scan coolant system from 50 temp to 185 degrees all looks normal replaced t stat and coolant temp senser oem parts, code returns drive 20 minutes code returns temp ga...

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car Vehicle Data

2002 Lexus SC430

VIN JTHFN48Y82
Engine4.3 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
Open Help Request

car Vehicle Data

2002 Lexus SC430

VIN JTHFN48Y82
Engine4.3 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On