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  1. Help - Buzzing Egr Solenoid on '84 Elky

    Engine Topics
    Hi all, I have gotten my 84 Elky running pretty well, with some of the help I've received on here. One day however, I noticed a constant buzzing sound coming from under the hood. The source of the noise is the EGR control solenoid valve. The chattering/buzzing only happens if truck is not in...