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2000 Jeep Grand Cherokee Limited 4.7L MIL Lamp on
Posted to Chrysler Driveability on 2/22/2006 8 Replies

this jeep has been to two shops, one jeep dealer and one independent. both shops have replaced the 0'2 sensors with new jeep sensors. when the scan tool is connected the 0'2 voltage is 4.98 volts on the signal return and remains there. we have checked the wiri...

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  Related Documents & Media  2000 Jeep Grand Cherokee Limited

 
Message Closed w/Summary

car Vehicle Data

2000 Jeep Grand Cherokee Limited

VIN 1J4G258N9Y
Engine4.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

132upstream 02 1/1 shorted to voltage
138downstream 1/2 shorted high
P00
P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
Message Closed w/Summary

car Vehicle Data

2000 Jeep Grand Cherokee Limited

VIN 1J4G258N9Y
Engine4.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

132upstream 02 1/1 shorted to voltage
138downstream 1/2 shorted high
P00
P0135Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction