Question. How long has your PCV lasted? When I installed mine (2010), flashing ECUs was not a thing or at least popular enough that I knew about it. With no real damage to the unit whose PCV has failed?
Pc3’s failed. Pc5’s very rare. However, get a flash, as it adjusts more than the pc5 can. My favorite was I turned the engine braking way down. Made freeway riding much smoother.
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