Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
I need a diagram of the intake and the electronic connections hooked up to the intake. I do not know what they are called. It was running fine but the fuel pump was getting loud. I did not know that a bad fuel pressure regulator whould cause the pump to get loud so I put in a new fuel pump, new fuel sending unit, new fuel filter, new fuel relay switch and a new fuel pressure regulator. It willl start if you hold you hand over the throtle intake and as soon as you remove you hand it dies. It has alot of pressure. I'm getting fuel into the intake but can't keep it running so the only other thing I can think of is one of the electric units on top of the intake is not working, I know one of them is the air controler but do not know what any of the others is called.
See Figures 21, 22 and 23
If only the upper intake manifold is being removed, the fuel system pressure does not need to be released. ALWAYS release the pressure before disconnecting any fuel lines.
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