Thread: Restore Engine Restorer
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Old 07-02-2020, 11:47 AM   #24 (permalink)
teoman
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The EGR recirculates carbon in to the intake. That can be an abrasive.

3D printers that print carbonfiber filament have rapid wear of the nozzle.

Not saying this is a cause, just relevant things that pop in to my mind.
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