1994 88 Oldsmobile Royale
Drive to store. Shop come out won't start sounds
flooded. Leave overnight go back then it starts.
What is wrong. It is fuel injected. Help
Good question, any number of things can cause this, leaking fuel injectors, blown fuel pressure regulator, even some bad engine sensors can cause a problem. The first thing I would start with is the fuel pressure regulator as it is a known problem, to go any further you will need some specialized tools, ie scanner, pressure tester, ohm meter, wiring diagram, etc.
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