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

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

by in Olney, MD on July 05, 2011
1 answer
ANSWER by on July 06, 2011
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.

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