Flooding

Asked by Andreal777 Dec 10, 2019 at 07:19 PM about the 2003 Buick Park Avenue FWD

Question type: General

I have an 03 park avenue starts fine first time
an hour or so later after sitting it wants to
flood already replaced fuel pressure regulator
could a bad intake manifold cause this

1 Answer

255,995

Then run a fuel pressure drop test, if it won't hold pressure then you have leaking injectors. A leaking intake will cause a lean condition not a rich.

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