P0135 - Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P0141 - Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0155 - Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
I'd guess it's safe to assume there's a problem with multiple oxygen sensor heaters, and it's most likely something all three sensors have in common. Look for a cut wire or a corroded terminal in a connector.
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Thursday, May 2nd, 2013 AT 9:43 PM