1995 GMC Suburban buzzing noise

1995 GMC SUBURBAN
175,000 MILES • 5.7L • V8 • 4WD • AUTOMATIC
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BRIANSCHLIEF
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there is a buzzing sound coming from the fuel injectors, it follows the rpm change (faster and slower). will changing the injectors be necessary? is it something else?
Oct 27, 2015 at 2:26 PM
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HMAC300
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scan for codes first then check resistance of injectors 11-13 ohms.
Oct 28, 2015 at 7:02 AM