
1998 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on
Hello again. I had this Jeep in the shop Saturday and tried to sort out what’s going on with the downstream O2 sensor (Fed emissions, only 2 sensors). Code is P0138, high voltage sensor 1-2. Sensor reading is off scale on the scan tool, and reading about 4.9 v...
FIX posted 10/26/2009
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)10 Replies Received(Hide Replies)10 Replies Received
|
Message Closed w/FIX
|
VIN | 1J4GZ58S0W |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage |
Message Closed w/FIX
Vehicle Data
1998 Jeep Grand Cherokee Laredo
VIN | 1J4GZ58S0W |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage |