Join Now
International Automotive Technicians Network

P0156 Diagnostic Trouble Code Discussion for December 2008

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


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0156
Help Request Posted
1998 BMW 740iL 4.4L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on, VIN: WBAGJ8326W
P0156: O2 malfunction B2 S2. Car came in with numerous (MIL) code's so we started with all the basic test's.Replaced faulty cam pos sensor,up & downstream O2 sensor's on B2 hardshell connector's wer'e cut off & wire's spliced together improperly!.we repaired wiring correctly,still...
December 31, 2008
1998 BMW 740iL 4.4L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on, VIN: WBAGJ8326W
P0156: O2 malfunction B2 S2. Car came in with numerous (MIL) code's so we started with all the basic test's.Replaced faulty cam pos sensor,up & downstream O2 sensor's on B2 hardshell connector's wer'e cut off & wire's spliced together improperly!.we repaired wiring correctly,still...
December 31, 2008