» » »

Jeep Q&A

Ask Your Question

2003 Jeep Liberty Question: Ihave a check eng light on code P0153 which sensor is bank 2 sensor 1 simple ter



Visitor, 3.7L V6, Olney, MD, July 05, 2011, 16:57

in simple terms which sensor is it, example left side front

1 Answer
Flag This
  • Answer #1

    July 06, 2011, 07:52

    That is the passenger side upstream oxygen sensor. It is locatedon the rear end of the exhaust manifold. The dealership should replace it free of charge.
    repair rhe code you need:
    Check and fix any exhaust leaks
    Check for wiring problems (shorted, frayed wires)
    Check the frequency and amplitude of the oxygen sensor (advanced)
    Check for a deteriorating / contaminated oxygen sensor, replace if necessary
    Check for inlet air leaks
    Check the MAF sensor for proper operation
    Replace the Bank 2 oxygen sensor upstream of the catalytic converter
    hope help.

    Flag This