Have you heard of purging a fuel pump?

Asked by 43gigi Dec 23, 2015 at 10:07 PM about the 2003 Mercedes-Benz M-Class ML 350 4MATIC

Question type: Maintenance & Repair

I had a fuel pump replaced and when I drove my car I heard a knocking on the
drivers side , was told the pump needed to purge and the knocking would
stop?

3 Answers
144,705

T_S_T answered 8 years ago

No,should not take but a few seconds to be primed up,should not be any knocking going on.

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FordNut answered 8 years ago

'Purge' means to empty out. Drain. Whomever told you that is mistaken.

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