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P0147 Diagnostic Trouble Code Discussion for March 2009

Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0147
Help Request Posted
1997 Chevrolet C1500 4.3L Excessive Emissions VIN: 1GCEC14W3V
P0147: Heated Oxygen Sensor (Bank 1 Sensor 3) Heater Circuit Malfunction. ... voltage readings are within range ( P0121 ) ( P0300 ) was in freeze frame only, there are no misfire counts showing on any cylinder. The stft's 1 & 2 are at mid 120's the ltft's are at mid 130's always. When the P030...
March 19, 2009