Fuel pressure (1982 Z-28 with Cross Fire Injection) - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

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post #1 of 2 (permalink) Old Jun 27th, 04, 05:10 AM Thread Starter
Join Date: Jun 2004
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When I plug the fuel line off with the pressure guage, I am only showing 4 lbs of pressure during the first 2 seconds. Is there any way to adjust this? Thanks
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post #2 of 2 (permalink) Old Jun 29th, 04, 01:09 AM
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Well, Dad of Four, this 4 psi in the first 2 seconds sounds normal. The pump is filling up and pressurizing the fuel line from the tank to the gauge. Takes alittle time.

Put a tee with your gauge and place the gauge in the supply line. Start the engine up and pressure should be 9-13 psi. with fuel flowing through the system.

If an OE set-up, the OE pressure regulator is not adjustable. You would have to buy an aftermarket unit, then it would be adjustable.

Good luck with the family......

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