P0155 Diagnostic Trouble Code Discussion for February 2006
Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance
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| Help Request | Posted | |
| 2000 Jaguar S-Type 3.0L MIL Lamp on VIN: SAJDA01C5Y P0155: h02s heater ckt malf. b2 upstream 2.1. vehicle runs well and mil is on. no warning messages. vehicle will consistently set trouble codes 135 and 155 after 2-3 key cycles sitting in the bay. both upstream heater circuits have battery voltage and good ground koeo. heater elements ohm good in both sen... |
February 01, 2006 | |
| 1996 Chevrolet K1500 5.7L MIL Lamp on VIN: 1GBEK19R3T P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. ... replaced the engine last week. I never checked codes before pulling engine but light was not on. After a day of driving customer came in and truck had P0161 only, came back a few days later so I could pinpoint problem and... |
February 16, 2006 |
