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August 15, 2022 Service bulletin

This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to...

Chevrolet technical service bulletin 20-NA-065 for 2000-2022 Chevrolet Malibu, 2000-2022 Chevrolet Silverado 1500 and 2000-2020 Chevrolet Impala and others.

Bulletin number
20-NA-065
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.

Owners of these vehicles have filed 30,317 complaints in the engine category.

Vehicles covered

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