O2 Oxygen Sensor Upstream Downstream for Chevrolet Cruze (2016-2019) 1.4L Turbo

Direct-Fit O2 Sensor Kit for 2016-2019 Chevrolet Cruze (D2XX)

What it Does: This upstream and downstream O2 sensor kit monitors exhaust oxygen levels on the 2016-2019 Chevrolet Cruze D2XX (LE2 1.4L Turbo) to regulate fuel trim and catalyst efficiency.

The Stock Chevrolet Cruze Oxygen Sensor Failure

On the D2XX Cruze equipped with the LE2 1.4L Turbo engine, factory oxygen sensors mount close to the turbocharger housing and endure severe thermal cycling. Extreme heat soak and carbon soot eventually fracture the internal ceramic heater element and poison the zirconia sensing tip. This degrades voltage switching speed, disrupts closed-loop ECM fuel trim control, and triggers persistent P0135 or P0141 heater circuit fault codes.

Common Symptoms of a Failing OEM Oxygen Sensor

• Check Engine Light / DTCs: Triggers P0135, P0141, or P0420 codes from heater failures or sluggish signal response.
• Erratic Fuel Trims: Delayed upstream voltage switching causes rough idle, stumbling, and hesitation under turbo boost.
• Poor Fuel Economy: Forces rich open-loop fueling, lowering MPG and causing emissions test failure.

The Direct-Fit Zirconia Oxygen Sensor Solution

Replacing both positions as a matched set (replacing OEM 12663317) restores synchronized pre- and post-catalyst exhaust monitoring across the LE2 1.4L Turbo exhaust tract. Each direct-fit sensor features a corrosion-resistant stainless steel housing, high-temp zirconia ceramic element, and factory-length harness with OEM weatherpack plugs. Precision gas-sampling ports shield the element from thermal shock and condensation while delivering fast lambda feedback without cutting or splicing.

What's Included

• 1 Upstream Oxygen Sensor
• 1 Downstream Oxygen Sensor

Technical Specifications

Compatibility

• 2016-2019 Chevrolet Cruze (1.4L Turbo)

Frequently Asked Questions & Fitment Warnings

Does this fit the D2XX Cruze?

Yes. Fits 2016-2019 Chevrolet Cruze with the LE2 1.4L Turbo engine. Excludes 2016 Cruze Limited (J300 / LUV) and 1.6L Diesel (LH7).

Will this clear P0135, P0141, or P0420 codes?

Yes, if caused by sensor failure. Clears heater (P0135/P0141) and slow-response faults; persistent P0420 indicates a worn catalytic converter.

Are factory connectors included for direct installation?

Yes. Both sensors include OEM plugs and direct-fit harnesses; thread carefully and torque to factory spec.

The Chevrolet Precision Standard

Built to OEM 12663317 specifications, this matched sensor set restores accurate closed-loop fueling and emissions compliance on your D2XX Cruze. Count on consistent ECM telemetry and reliable, CEL-free operation.