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1993 Lexus LS400 4.0L Surge, Cuts out, MIL Lamp on, 41 tps
Posted to Asian Driveability on 4/16/2021 7 Replies

I have a 1993 Lexus LS400 here that came in for an engine lamp on under acceleration. Engine going into fuel cut mode when throttle is depress off of an idle, near 30% or greater. Found the IDL1 circuit at TPS sensor 0V at idle and scoped signal circuit to...

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car Vehicle Data

1993 Lexus LS400

VIN JT8UF11E6P
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
SymptomsSurge, Cuts Out, MIL Lamp on, 41 TPS
OccursUnder Load, on Accel

Trouble Codes

41Throttle Position Sensor or Circuit
Open Help Request

car Vehicle Data

1993 Lexus LS400

VIN JT8UF11E6P
Engine4.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
SymptomsSurge, Cuts Out, MIL Lamp on, 41 TPS
OccursUnder Load, on Accel

Trouble Codes

41Throttle Position Sensor or Circuit