
1997 Jeep Wrangler Sport 4.0L MIL Lamp on
new customer.. came in for mil on. found o2 code. upon start up and for the first 45 - 60 seconds the o2 reads almost 5v then drops steadily to normal voltage. .48. appears that i may be getting a leakage of 5v signal mixed in this circuit. but the question is...
FIX posted 8/26/2008
![]()
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)8 Replies Received(Hide Replies)8 Replies Received
|
Message Closed w/FIX
|
VIN | 1J4FY1955V |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | On Start Up |
Trouble Codes
P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage |
Message Closed w/FIX
Vehicle Data
1997 Jeep Wrangler Sport
VIN | 1J4FY1955V |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | On Start Up |
Trouble Codes
P0138 | Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage |