Finally replaced all 4 O2 sensors w/ generics for $160.

[Wonko The Sane]

Originally Posted by binaryc

Ok, I finally got around to replacing all 4 sensors and I keep getting the following codes (I reset it twice and they come back within 5 miles):

• P0131: Oxygen Sensor Ahead of Catalytic Converter (Cylinders 1 - 3) - Signal Wire Short Circuit to Ground or Incorrect
• P0137: Oxygen Sensor After Catalytic Converter (Cylinders 1 - 3) - Signal Wire Short Circuit to Ground or Incorrect
• P0151: Oxygen Sensor Ahead of Catalytic Converter (Cylinders 4 - 6) - Signal Wire Short Circuit to Ground or Incorrect
• P0157: Oxygen Sensor After Catalytic Converter (Cylinders 4 - 6) - Signal Wire Short Circuit to Ground or Incorrect
• P1115: Oxygen Sensor Heating 1 After Catalytic Converter - Above Upper Limit
• P1119: Oxygen Sensor Heating 2 Ahead of Catalytic Converter - Below Lower Limit

I followed the instructions exactly and all the colors matched up fine. Anyone else have issues?

This exact thing happened to me last night. All colors matched and accounted for, and I got most of the same codes (plus a few new ones). The codes and the descriptions are compliments of Durametric... That is one cool toy

Stats: USOS 4000 sensors from Speed Auto (Listed on the previous page). This is a 97 Box with the Motronic 5.2.2 DME. All 4 sensors were replaced.

• P0131:Factory Fault Code 10 - Oxygen sensor ahead of catalytic converter (cylinders 1-3)
  Short circuit of wires or limited voltage increase
  
• P0151:Factory Fault Code 18 - Oxygen sensor ahead of catalytic converter (cylinders 4-6)
  Short circuit to ground at signal wire of incorrect voltage
  
• P1119:Factory Fault Code 5 - Oxygen sensor heating 2 ahead of catalytic converter
  Below lower threshold
  
• P0137:Factory Fault Code 12 - Oxygen sensor ahead of catalytic converter (cylinders 1-3)
  Short circuit
  
• P0157:Factory Fault Code 20 - Oxygen sensor behind catalytic converter (cylinders 4-6)
  Short circuit to ground at signal wire or incorrect voltage
  
• P1117:Factory Fault Code 14 - Oxygen sensor heating 1 ahead of catalytic converter
  Below lower threshold
  
• P1121:Factory Fault Code 4 - Oxygen sensor heating 2 ahead of catalytic converter
  Below lower threshold

If anyone else has ran into this, and knows what was done to fix it, please let me know. I'm sending a message to BinaryC to see what his resolution was. I'm going to have just a few minutes tonight to look at it, but as soon as I resolve it, I'll post the answer to this thread.

Thank you guys!

Cheers!

~Aaron