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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
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Message Closed w/FIX
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Related Documents & Media | 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 |
Video