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P0156 Diagnostic Trouble Code Discussion for October 2010

Heated Oxygen Sensor (Bank 2 Sensor 2) Closed Loop Fuel Control

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Trouble Ticket Help Requests for DTC P0156
Help Request Posted
1998 BMW 740iL 4.4L MIL Lamp on VIN: WBAGJ8324W
ok bmw ppl got this dumped on me 98 740 il engine light on codes po130,po136,po156, po170 and as always customer does not want to spend a whole lot of money told cust about the prob and says he already did o2 sensors twice and the cats and says hes spend alot ...
October 21, 2010