Quote:
Originally Posted by JohnH
as a professional wrench, there are at least 5 normal issues that make this kind of noise. Its definitely a relevant thing to want to listen to it.
For example, is it a lifter not pumping up quickly? Or an exhaust manifold leak? Or a heat shield? Or an item stuck in the belt that flung itself out after a bit? All completely different diagnosis and prognosis. All to Tatatatatatata
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could also be an annoying passenger, a passing truck applying their jake brake, or full-auto gunfire.