P0157 Diagnostic Trouble Code Discussion for July 2009
Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage
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 P0157
| Help Request | Posted | |
| 1998 Porsche Boxster 2.5L Poor Idle Quality, MIL Lamp on VIN: WPOCA298XW P0157: Short Circuit to Ground at Signal Wire or Incorrect Voltage. I have a Boxter with 4 o2s codes PO131,PO137,PO151,PO157 all reading low voltage. I disconnected all o2s and ohmed them out. My result on those were all read OFL. According to alldata they test good. Then I tested then ecm and wiring harness. I checked voltage... |
July 20, 2009 | |
| 1998 Porsche Boxster 2.5L Poor Idle Quality, MIL Lamp on VIN: WPOCA298XW P0157: Short Circuit to Ground at Signal Wire or Incorrect Voltage. I have a Boxter with 4 o2s codes PO131,PO137,PO151,PO157 all reading low voltage. I disconnected all o2s and ohmed them out. My result on those were all read OFL. According to alldata they test good. Then I tested then ecm and wiring harness. I checked voltage... |
July 22, 2009 |
