P1174

Malfunction Indicator Lamp (MIL) Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set – 2000-2022 GM Passenger Cars and Trucks

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Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10219266 Manufacturer Communication Number: 20-NA-065 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.   Condition Some customers may comment that the MIL is illuminated. Technicians may find one or … Read more

SES Light due to a P1174 DTC – Perform Injector Test with AFIT (CH47976) – 2006-2007 Chevrolet Pontiac Saturn

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2007 Chevrolet Malibu

NHTSA ID Number: 10161013 Manufacturer Communication Number: PIP4017C Summary This prelimary information informs the dealer of a potential fuel injector concern that could set diagnostic trouble code P1174. The dealer is instructed to test the fuel injectors with the Active Fuel Injector testing tool to determine if the fuel injectors have failed.   8 Affected Products Vehicles … Read more