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Chris, Shop Foreman
Category: Jeep
Satisfied Customers: 3137
Experience:  Jeep Certified Master Tech
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I have replaced all 4 oxygen sensors and am still getting

Customer Question

I have replaced all 4 oxygen sensors and am still getting P0152.
JA: Have you located all of the vehicle's oxygen sensors? Are the wires leading to and from each intact and in good shape?
Customer: All 4 sensors are brand new
JA: What is the model/year of your Jeep?
Customer: 2006 Wrangler Unlimited Rubicon
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I have replaced all 4 oxygen sensors
JA: Anything else you think the mechanic should know?
Customer: I am now having a rattle from my catalytic converter so I have a new one being delivered today.
Submitted: 3 months ago.
Category: Jeep
Expert:  bill replied 3 months ago.

what tests did you do BEFORE replacing the sensors?

the code indicates ONLY 1 sensor problem (BANK 2 SENSOR 1) which is a sensor BEFORE the cat converter in the rear pipe of the cats, the code is for a circuit code which indicates a wiring problem, you will need a decent scan tool that can read data AND a good digital multimeter, and some "T" style sewing needles