It’s one of two things. It’s your high-pressure turbo beginning to fail. Or it’s a gasket on an EGR tube if you have a maxXforce engine. Or N13 first generation engine.
2013 INTERNATIONAL PROSTAR WITH MAXFORCE 13 MAKING WHISTLE SOUND WHILE ACCELERATING.
Discussion in 'International Forum' started by Sam718, Jan 15, 2019.
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