1998 225 EFI starts and dies

[wjhuskey]

I have a 1998 Mercury 225 EFI that will hit and die, hit and die, over and over. Runs fine for 2-3 seconds and dies. I keep the primer bulb tight on the fuel line and the tank has plenty of gas. Had new spark plugs put in last year. Store it with stabilizer and ran 5 months ago. I can hear the fuel pump kick in when I turn the key to the aux position. I tried starting in high neutral and it did the exact same thing except at higher rpm's. Any ideas of why it's hitting and dying repeatedly? Thanks in advance.

[EuropeanAM]

If you would, please take a moment to review the Announcements at the top of the Forum, and be sure to provide the Required Info (serial number) when posting. Thanks!

Start with the basics: Compression, Spark Test and Fuel Quality/Delivery/Pressure.

[wjhuskey]

Sorry... serial number 0668-2033

[EuropeanAM]

Serial number will be Digit, letter, six digits (example: 0G123456).

[wjhuskey]

My serial number is hard to read

[JOE54]

Sorry... serial number 0668-2033

try this (zero)> 0G682033 shows to be 98 225 efi

[wjhuskey]

Got it. So....... Anyone know what could be causing it to start and die repeatedly???

[JOE54]

gotta determine whether its loosing fuel or spark im gonna say no fuel psi , test it and see

[wjhuskey]

Ok I'll check for spark. How do you test fuel psi?

[EuropeanAM]

Fuel Pressure Gauge, connected to the schrader valve port.