Last year after having some work done on my boat, including replacing both fuel pumps and throttlebody, I boat ran great for about an hour and a half and then it sputtered out. It cranked right back up but has continued to sputter out on an increasingly frequent basis. It currently sputters out every 2 to 4 minutes, but I’ll give it a few seconds then fires right back up. I took it in earlier this summer and they identified the issue as a faulty low pressure pump (non-OEM) that was installed last year and bad fuel. I filled it up with ethanol free but I’m still having the same issue.
We took it out yesterday and ran it on a portable tank to confirm that the issue is engine-side. Fuel pressure is only reading 35 psi and then quickly drops to 0 when sputtering out. If we give it a few seconds it cranks right back up but generally, we can’t run it as hard for as long before the issue happens again. There’s only been one situation where it wouldn’t start back up and I couldn’t get back to the house.
im going to try to remove the FCC cover later today to further investigate.
I’ll also mention that we replaced the MDC computer a few years ago.
Any initial thoughts on whether the problem sounds electrical, computer related, or pump related?
We took it out yesterday and ran it on a portable tank to confirm that the issue is engine-side. Fuel pressure is only reading 35 psi and then quickly drops to 0 when sputtering out. If we give it a few seconds it cranks right back up but generally, we can’t run it as hard for as long before the issue happens again. There’s only been one situation where it wouldn’t start back up and I couldn’t get back to the house.
im going to try to remove the FCC cover later today to further investigate.
I’ll also mention that we replaced the MDC computer a few years ago.
Any initial thoughts on whether the problem sounds electrical, computer related, or pump related?
Comment