Fuel Pressure Regulator Buzz And/or Hum Noise – 1999-2003 Chevrolet & GMC
NHTSA ID Number: 10114453 Manufacturer Communication Number: PIP5280 Summary This Preliminary Information communication provides information to the technician about vehicles that may have a buzz noise at idle after fuel pressure regulator replacement. Technician will need to gain access to the fuel pump. After gaining access to the fuel pump check the power and ground for voltage … Read more