 
				
	| 2001 Jeep Cherokee Sport 4.0L MIL Lamp on hello jeepsters. I will try to keep this short. old customer-new used jeep sport. customer purchased this jeep with 55k on it. came in 3 months ago p0303. repaired with tsb shielding inj #3. fixed easy. 3 weeks later came in with p0141, and p0161. found heater... 
                        
                            FIX posted 3/14/2006
                               
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| VIN | 1J4FF48SX1 | 
| Engine | 4.0 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI / sefi | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
Trouble Codes
| P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | 
| P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | 
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             Vehicle Data
 Vehicle Data
                2001 Jeep Cherokee Sport
| VIN | 1J4FF48SX1 | 
| Engine | 4.0 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI / sefi | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
Trouble Codes
| P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction | 
| P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction | 
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