Locate Chrysler Pt Cruiser Oxygen Sensor Location. Explore Chrysler Pt Cruiser O2 Sensors & Chrysler Pt Cruiser Oxygen Sensor Replacement Cost. Maintaining the O2 sensors in your Chrysler PT Cruiser is crucial for optimal performance and fuel efficiency. Regularly check for signs of malfunction, such as a check engine light or poor mileage, which may indicate the need for replacement. Extend sensor life by avoiding silicone or lead-based additives and ensuring your engine runs at peak conditions. When selecting a new O2 sensor, opt for direct-fit options that offer ease of installation and are designed to meet or exceed OEM specifications. High-quality materials like zirconium or titanium ensure durability, while proper installation without overtightening will keep your Cruiser running smoothly. Shop with us for reliable O2 sensors that will keep your emissions in check and your engine performing efficiently.