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SteveAZ · 04-28-2003, 01:52 PM

My mustang is sputtering when it gets to around 4k rpm. I read a repair manual, and decided to test the fuel system pressure. It reads right at the min. level 30psi w/ vac , 40 psi without. I decided to try and test the hold pressure of the system. Assuming that I am following the directions. It read that the system shoud stay pressurized after the engine is shut off. If this is so, It drops to 0 the second the key is turned off.
What I am getting at is did i do the test right?
If so what are some of the solutions to this?
Any help would be great.
Thanks, Steve

04-28-2003, 01:52 PM	#1
SteveAZ Registered Member Join Date: Apr 2003 Location: Phoenix, AZ Posts: 10	Engin sputtering at 3k Rpm My mustang is sputtering when it gets to around 4k rpm. I read a repair manual, and decided to test the fuel system pressure. It reads right at the min. level 30psi w/ vac , 40 psi without. I decided to try and test the hold pressure of the system. Assuming that I am following the directions. It read that the system shoud stay pressurized after the engine is shut off. If this is so, It drops to 0 the second the key is turned off. What I am getting at is did i do the test right? If so what are some of the solutions to this? Any help would be great. Thanks, Steve