94 Suburban fwd fuel injected

Asked by Rip123 Aug 13, 2018 at 10:40 AM about the 1994 Chevrolet C/K 1500

Question type: Maintenance & Repair

I hear the fuel pump on acts like it's not getting air to stay
running or it's not getting fuel sprayed in could it be the
injectors

1 Answer
27,570

oilyspill answered 6 years ago

If you have tbi fuel injection, engine cranking, can you see fuel injector spray pattern? Engine cranking, do you have spark at the plugs? I'm trying to determine if you have more than one issue? I don't know what testing you've done? As far as fuel, use a gage and check proper fuel pressure, engine cranking. Because you can here the fuel pump doesn't mean it will make correct pressure? The pressure for tbi is around 9--13 psi. How long since a tune-up? Any applicable trouble codes?

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