O2 Oxygen Sensor Upstream Downstream for Chrysler 200 (2011-2017) 2.4L

Direct-Fit O2 Oxygen Sensor Kit for 2011-2017 Chrysler 200 (JS / UF)

What it Does: This matched upstream and downstream O2 sensor kit monitors exhaust air-fuel ratios on the 2011-2017 Chrysler 200 (JS / UF) 2.4L ED3 / ED6 engine for closed-loop PCM fuel control.

The Stock Chrysler 200 O2 Sensor Failure

Factory oxygen sensors on the JS / UF chassis with the 2.4L ED3 / ED6 engine degrade from constant thermal cycling and exhaust soot fouling. Over time, internal heater elements burn out or ceramic sensing thimbles crack from moisture condensation and manifold heat soak. This contamination slows voltage switching, triggering P0135, P0141, or P0171 fault codes while forcing the PCM into inefficient open-loop fueling.

Common Symptoms of a Failing OEM O2 Sensor

• Check Engine Light: Stored P0135, P0141, or P0138 codes from open heater circuits or slow voltage response.
• Fuel Trim & Idle Issues: Fouled elements send inaccurate signals, causing rough idle and poor fuel economy.
• Failed Emissions Readiness: Sluggish downstream switching triggers P0420 false-positives and failed inspections.

The Direct-Fit Zirconia O2 Sensor Solution

Replacing both sensors as a matched set restores rapid closed-loop feedback and accurate catalyst monitoring on your 2.4L ED3 / ED6 platform. Each sensor uses a laser-welded stainless housing, protective shield, and high-temperature zirconia ceramic element calibrated to factory voltage curves. Direct-fit harness connectors and coated threads allow clean bolt-on installation into factory bungs without wire splicing, matching OE references like 234-4029 and 234-4587.

What's Included

• 1 Upstream Oxygen Sensor
• 1 Downstream Oxygen Sensor

Technical Specifications

Compatibility

• 2011-2017 Chrysler 200 2.4L — Federal Emissions (2-Sensor) Packages
• Excludes California Emissions (4-Sensor) Packages

Frequently Asked Questions & Fitment Warnings

Does this fit the JS / UF 200?

Yes. Fits 2011-2017 Chrysler 200 ED3 / ED6 2.4L models. Fits Federal emissions (2-sensor) packages only; excludes California emissions (4-sensor) packages.

Will this clear P0135/P0141 codes?

Yes, replacing failed sensors resolves P0135, P0141, and P0138 faults after clearing DTCs. Verify your 2-sensor Federal emissions setup first.

Are connectors ready for plug-and-play installation?

Yes, both direct-fit sensors feature OE-style plugs matching 234-4029 through 234-4587. Clean bung threads before torquing to spec.

The Chrysler Precision Standard

Engineered to OEM response thresholds, this sensor kit restores air-fuel accuracy and emissions compliance. Its thermal durability keeps your JS / UF 200 CEL-free.