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Re: F550 diesel Fuel injection pump replacement
Posted to HD/Fleet Forum on 4/5/2025 1 Reply

If it has the CP4 fuel pump, I would change it asap.

There are improved aftermarket pumps available.

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I currently have a 2021 6.7l that has a ticking noise, but Ford refuses to warranty it until it's broken so I'm going to replace it with th... Login to read more.

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