How to Replace an Oxygen Sensor — 2016-2024 Chevrolet Malibu

Replacing an oxygen sensor on a 2016-2024 Chevrolet Malibu is a straightforward fix for issues like poor fuel economy, rough idling, or a check engine light with codes P0131 or P0137. This DIY repair can save you significant labor costs, ranging from $50-$100 for parts compared to $150-$250 at a shop. With the right tools and this guide, most DIYers can tackle this job confidently in under an hour. DIY Cost: $50-$100 | Shop Cost: $150-$250

You’re done. Clear any stored codes with your scanner and complete a normal drive cycle so the vehicle’s readiness monitors reset.

If the code returns, the root cause likely wasn’t the part you replaced — go back through the diagnostic steps before swapping anything else.