Check Engine Light Due to Oxygen Sensor Failure on Buick Skylark

Submitted by Vehicle Owner · May 29, 2025

Published by RepairPal

Problem overview

The oxygen sensor can fail causing Check Engine Light illumination and the engine to run rich (burn more fuel than normal).

2 people reported this problem

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Buick Skylark vehicles with this problem

2 model years affected

Repairs related to this problem

Oxygen Sensor Replacement

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Check Engine Light Due to Oxygen Sensor Failure on Buick Skylark

Problem overview

Buick Skylark vehicles with this problem

Need a diagnosis? Trust our Buick experts.

Search for another problem

Ask our experts about your Buick.

Need a diagnosis? Trust our Buick experts.

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