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Re: Active Fuel Management
Posted to Technical Discussion Forum on 1/7/2020 4 Replies

I have not seen a AFM lifter cause this concern. However I have found that a bad TCC regulator valve cause this, especially in V4 mode. It can be a vibration or a very harsh TCC apply. What is the TCC slip speed when this happens? See PIP4371 Login to read more.

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