Having problems with your 2005 Chrysler PT Cruiser ?
How to replace the O2 sensor in a 2005 PT Cruiser?
Your upstream o2 sensor is located behind motor and manifold and need an o2 senor socket and racket plus extension to remove and then your downstream 02 sensor is on the side of Cat convertor (drive side)and same process to remove and replace
Repair Help & Product Troubleshooting for 2005 Chrysler PT Cruiser
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