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P0154 Diagnostic Trouble Code Discussion for April 2020

Heated Oxygen Sensor (Bank 2 Sensor 1) Signal Remains At Center


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Trouble Ticket Help Requests for DTC P0154
Help Request Posted
2005 Suzuki Verona LX 2.5L Long crank time VIN: KL5VJ56L75
P0154: bank 2 sensor 1. ... crank. It's very random in nature. When it first came in there were multiple codes. Misfires on 4-5-6. P128 low operating temp. P0154 bank 2 sensor 1 low activity. P0171 and p0174 lean both banks. We replaced the spark plugs because it had 2 styles of...
April 27, 2020