Buick TSB #20-NA-065

2020 Buick Envision

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set.

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Date Published
AUG 15, 2022
NHTSA TSB #
10219266
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