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Old 01-17-2017, 07:32 PM
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Quote:
Originally Posted by Unique X5 View Post
Do diesel injectors make a noise if faulty? I don't know much about diesels. They are new to me.
If the injector on one cylinder isn't working, then that cylinder is under very different dynamic forces compared to the others when they burn fuel. A simple way to visualise this is to say that the iffy cylinder (piston) is being pushed rather than pushing. This will likely be the "clatter" noise - an unloaded (of differently loaded) piston/rod assembly.

But I'm no expert either - just chucking that out there as a theory. But it might pay to look closely at the injectors.
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