I have seen high mileage 5.3's eat cam lobes. If it's a constant noise, it's likely there are issues. Faulty sensors won't cause a knock...only clatter or knock retard at higher RPM and/or engine load.
I have seen high mileage 5.3's eat cam lobes. If it's a constant noise, it's likely there are issues. Faulty sensors won't cause a knock...only clatter or knock retard at higher RPM and/or engine load.
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