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If your Chevy Aveo or Pontiac G3 is throwing an O2 sensor code, this 2-piece set includes both the upstream and downstream sensors you'll need. Fits 2009-2011 models with the 1.6L engine. Direct replacement with OE-style connectors—just plug and play. New sensors can help restore fuel efficiency, smooth out idle, and reduce emissions. These are heated sensors for quick operation. Easy to install with a basic wrench or O2 sensor socket. Always disconnect the battery first for safety. Comes with a one-year quality guarantee. Double-check your vehicle's year and engine size before ordering to ensure fit. A straightforward fix that can make your daily driver run cleaner and better.
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