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1994 Jeep Grand Cherokee Limited 4.0L MIL Lamp on
Posted to Chrysler Driveability on 7/11/2005 13 Replies

Codes showing high voltage on three sensors. Hooked up scanner and checked data stream, not showing high voltage on IAT sensor, TPS sensor or O2 sensor. I did go ahead and replaced O2 sensor because of high miles , back truck out of shop and light came back on...

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  Related Documents & Media  1994 Jeep Grand Cherokee Limited

 
Message Closed w/FIX

car Vehicle Data

1994 Jeep Grand Cherokee Limited

VIN 1J4GZ8S7RC
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

21O2 sensor high voltage
23IAT sensor high voltage
24TPS high voltage
Message Closed w/FIX

car Vehicle Data

1994 Jeep Grand Cherokee Limited

VIN 1J4GZ8S7RC
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

21O2 sensor high voltage
23IAT sensor high voltage
24TPS high voltage