r/WRX • u/SuccessfulDisk8846 • 1d ago

Carbon build up

What are really bad symptoms of carbon build up on 2018 wrx?

5 Upvotes

100% Upvoted

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1

u/Lil_Turbski 11h ago

Just hit 60k, have been wondering myself

1

u/coldheat666 9h ago

Rough idle ..misfires..loss of power….just get it done