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Old 04-05-2020, 05:23 PM   #25
BCash
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Join Date: Apr 2018
Location: Tejas
Posts: 33
Re: 5.3 knocks when warmed up

Sorry to revive a dead thread, but any update on your knock situation? My 05 z71 with the 5.3 (l33 version) has been doing this for a few months and I'm stumped.
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