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October 21, 2020 Service bulletin

This engineering information (EI) is requesting information from technicians to perform the check list...

Chevrolet technical service bulletin PIE0577A for 2019-2020 Chevrolet Blazer.

Bulletin number
PIE0577A
Component
Engine and engine cooling
Summary
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Check Engine Light being illuminated.

Owners of these vehicles have filed 116 complaints in the engine category.

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