Quote:
Originally Posted by Homeboy981
Is the noise occurring when you first start it, to say a minute or two? If so, that is normal for it to sound a little more "knocky" since the engine is dumping fuel in there until about 2 minutes after startup. The idle drops and then she should sound fine. Is the knock, knock happening AFTER that?
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"Dumping fuel" should not cause a "knock". It may cause a higher idle, but the lifters should be fully pressurized in seconds, not minutes. Start up valve train noise should should be brief...very brief; anything else indicates an issue.