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150 OBO Just want it out of my garage

Finically found it, so simple, plug on the harness was bad, making bad connection. Crimped on new ends and put a new plug on. All fixed thanks everyone for the help and suggestions

Right now im working on finding the plug that goes on the end of the engine harness where the fuel pump plugs in. Fuel pump is brand new, so im guessing the boat harness plug is prob the culprit since its 22 years old

Reached down to jiggle the plug for the fuel pump, and the plug connection was so hot I couldn’t touch it

Put a fuel pressure gauge on the fuel rail, turn the key on and it builds pressure to 43ish. When it’s sitting at idle it’s at 38psi. it almost stalled once, pressure dropped down into the low 30’s and then it bounced back up to 38 without stalling.

This was a thought also. I recently saw another post somewhere with a photo of this merc/seirra replacement relay socket. Any idea on the part number for it?

I’ll give that a try next. Just had it running on muffs for about 15min and it died out. Turn key off and back on and pump cycled. Started right back up. This is driving me nuts

Just put new pump in as I thought the old one was dying because of intermittent behavior. cycling key now and the pump is kicking on every single time. Hard to troubleshoot when its working correctly at the moment! problem likely to act up again when I put the boat back in and try to use it...

Both relays are new, both are clicking, even when the fuel pump isn’t kicking on, the relays are still clicking

well before even trying to crank the boat, the fuel pump isn’t kicking on. I’m in the engine bay now poking around and pump is working consistently at the moment.

2001 Sundancer 260 7.4MPI Installed new fuel pump, old one seem to be failing, intermittently working. New one installed, boat fired right up, ran it on and off a couple times while sitting on trailer with muffs. Towed to boat to ramp and dropped in, started at dock and sputtered out after a...

odered this one https://marinepartssource.com/electric-fuel-pump-sierra-18-8868-1

yea clearly. What hurts more is that this is going into my boat that I'm currently selling. I'd like not to dump a lot of money into it, but I also want it fixed correctly so the next person buys something reliable!

I saw this one, im just not paying 320$ ha

I'm going to call airtex this am, seems to be no longer avail haha

I’ll look into this one, thanks!

Yes, just this part number. I found quite a few also but most people complaining that they are cheap Chinese made junk. Just took me a couple hours to get the whole cooler and pump assembly out, don’t want to put a new one in just for it to fail after 6 times of starting the boat

Need a new fuel pump, appears I can’t get an OEM one by itself, need to buy the whole fuel cooler kit which is 836$, seems absurd. Anyone have any other options? 2001 260da 7.4mpi

TTT

Call Bob at MEFI Burn, 310-991-9072 My ECM shit the bed last spring. My fuel relays weren't kicking on when i turned my key on. Ended up being a bad ECM. I have a 2001 7.4mpi. He shipped me out a new ECM with a better tune on it. Boat has been working perfect ever since. Without that ECM...