2002 Chevrolet Tahoe LT 5.3L MIL Lamp on
vehicle came in, ce light on. initial scan found p0141 and p0161. o2 preformance low on both bank one and two down draft o2 sensors. after replacing sensors cleared codes and did test drive on cold start, first time p0141 came back. sencond drive later on both...
FIX posted 4/23/2010
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Message Closed w/FIX
Vehicle Data2002 Chevrolet Tahoe LT
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2002 Chevrolet Tahoe LT
VIN | 1GNEK13Z52 |
Engine | 5.3 L / 8 cyl / FLEX |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction |
P0161 | Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction |