gm 2400 vortec LP wont start unless I hold the accelerator down. When it does start it runs rough then quits.
I can smell fuel and the electronic throttle body is making a whining/buzzing noise.
Im thinking its getting to much fuel or to high of a fuel pressure, how do I go about testing fuel pressure and/or volume?
If there is anything else I should check please let me know.
Thanks.
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