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P0141 Diagnostic Trouble Code Discussion for September 2006

Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Performance

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Trouble Ticket Help Requests for DTC P0141
Help Request Posted
1996 Ford Bronco Eddie Bauer 5.8L MIL Lamp on VIN: 1FMEU15HXT
P0141: ho2s12 heater ckt. This truck came in with these three codes. We replaced one of the o2 sensors with a known good one and cleared the codes but all three come right back after two start-ups. If you look at scan data when you first start it, you will see the PCM commanding all th...
September 01, 2006
1997 Saturn SL2 1.9L Surge VIN: 1G8ZJ5272V
P0141: Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction. Found POS battery cable loose, causing a no crank/no start. Cleared codes and drove for 15 mi no codes came back. Car has flat spot/ EGR surge when EGR is opening about 1/4 to 3/4 throttle, EGR voltage and % match on scanner.When I unplug EGR car runs good. Ha...
September 12, 2006