1997 Subaru Legacy LSi 2.5L MIL Lamp on
Came in for PO136. Scan data showed Ov on sensor,replaced. MIL light came back on. Backprobed ECU found O2 Sensor voltage. Probable internal problem with ECU,replaced. Drove 20 miles ,scan data fine. Suddenly Sensor#2 dropped to Ov again. What I found was when...
FIX posted 2/11/2005
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Vehicle Data1997 Subaru Legacy LSi
Trouble Codes
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Vehicle Data
1997 Subaru Legacy LSi
VIN | 4S3BD6859V |
Engine | 2.5 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / Multi port |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Misc. | Legacy Sus |
Trouble Codes
P0136 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction |