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P0151 Diagnostic Trouble Code Discussion for July 2009

Air Fuel Sensor (Bank 2 Sensor 1) Circuit Low Input (Lean Shift)


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Trouble Ticket Help Requests for DTC P0151
Help Request Posted
1998 Porsche Boxster 2.5L Poor Idle Quality, MIL Lamp on VIN: WPOCA298XW
P0151: 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
P0151: 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
1998 Porsche Boxster 2.5L Poor Idle Quality, MIL Lamp on VIN: WPOCA298XW
P0151: 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
P0151: 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