Recent content by MGJ

  1. MGJ

    Is it normal for the engine to stop when plugging in the downstream O2 sensor?

    Update: Looking to solve one problem and ending up solve another. Seems the wiring to sensor bank 1 was wrong, no signal or power. Thats done now and the P0171 is gone :-)
  2. MGJ

    Is it normal for the engine to stop when plugging in the downstream O2 sensor?

    Okay, my TJ die with out hesitating when i pull the plug?? I am getting frustrate. I have NO signal on the upstream. The wiring is a mes only black and red wires. Wonder if the PCM gets is ground from her??
  3. MGJ

    Is it normal for the engine to stop when plugging in the downstream O2 sensor?

    Is it normal for the engine to stop when plugging in the downstream O2 sensor that I unplugged?
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