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P0155 Diagnostic Trouble Code Discussion for March 2011

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance

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Trouble Ticket Help Requests for DTC P0155
Help Request Posted
2003 Ford F-250 Super Duty XL 6.8L MIL Lamp on VIN: 1FTNW21S93
P0155: 02 heater circuit malf. s21. ... an f-250 that set codes p0135 and p0155 heater circuit malf. After testing all circuits, alt. diodes and test driving for cop misfires, all monitors have run accept for 02 sensors. Have not replaced any parts for this concern. Have test driven truck 4 time...
March 10, 2011
1996 Cadillac Seville SLS 4.6L Poor Idle Quality, Extended crank time VIN: 1G6KS52Y4T
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. Hi folks: This car was brought to me because of a extended crank time when starting, about 5 to 10 seconds. It sputters a little before catching,also.It sometimes has a slightly rough idle. P0300 did not come back after clearing. I first though it was low fuel...
March 28, 2011