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January 18, 2025, 18:32:16 pm

Author Topic: Fuel pump saga continues.  (Read 751 times)

otgixxer

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Fuel pump saga continues.
« on: August 04, 2019, 19:26:23 pm »
Getting no fuel pressure or any sounds from the fuel pump.
If I press the manual fuel pump button on the engine it just clicks.

Ordered fuel pump, replaced it.   Worked fine yesterday you could hear the fuel pump operate, and the boat ran fine.

This morning went to start it up again, and nothing.

Took engine cover off and the pump just clicks when I press the button and doesnt work at all, just like the last one.

Any ideas?

Could it be the "new" pump I bought failed as well?

Capt Rick

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Re: Fuel pump saga continues.
« Reply #1 on: August 04, 2019, 21:42:48 pm »
Weak Ground and or battery. Does the engine crank? Bad relay and or connection.

Capt Rick

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Re: Fuel pump saga continues.
« Reply #2 on: August 05, 2019, 01:47:24 am »
Here are new not take offs:

2310150020   Pump,Fuel,Primary,No1,TopMount           250.00    30.00    

2310150030   Pump,Fuel,Secondary,No2,BottomMount           250.00    30.00

otgixxer

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Re: Fuel pump saga continues.
« Reply #3 on: August 05, 2019, 05:18:13 am »
Weak Ground and or battery. Does the engine crank? Bad relay and or connection.

engine cranks, I believe the relays to be working as I get voltage to pumps when key is in on, and cranking or manual fuel pressure button is depressed.

Sammamish Skier

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Re: Fuel pump saga continues.
« Reply #4 on: August 05, 2019, 15:38:35 pm »
It sounds like you may be getting voltage but not enough amperage. I'd check the relay socket for corrosion as well as the fuse slot for the fuel pumps. I was surprised that toyota didn't use dielectric grease in the sockets. I'd also replace the relay, it should be really inexpensive. If you have a clamp on amp meter that will help you debug.

anchorman

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Re: Fuel pump saga continues.
« Reply #5 on: August 05, 2019, 20:38:57 pm »
2000 epic 22.  Original owner.  Boat cranks.  Will not start. Ran yesterday.  895 hours.  Almost new plugs.  Lanyard ok.
Any suggestions where to check?

Capt Rick

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Re: Fuel pump saga continues.
« Reply #6 on: August 06, 2019, 02:47:55 am »
So there were 12 complete fuel pumps that are defective and were sold to  a ebay seller. They are no good 17 year old test pumps. Sorry if you thought it was from me. Ask for money back.

Capt Rick


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Re: Fuel pump saga continues.
« Reply #7 on: August 06, 2019, 21:57:43 pm »
Unplugged relay, scuffed it a few times, put back in and started write up.  Back on water.  Too simple.  Thanks forum.

otgixxer

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Re: Fuel pump saga continues.
« Reply #8 on: August 09, 2019, 16:47:10 pm »
Anyone know where to buy the fuel pump relay? 28380-73010
I ordered one from Toyota but its weeks out.
Can't seem to find anything locally??

otgixxer

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Re: Fuel pump saga continues.
« Reply #9 on: August 09, 2019, 16:48:03 pm »
Anyone know where to buy the fuel pump relay? 28380-73010
I ordered one from Toyota but its weeks out.
Can't seem to find anything locally??

what do you mean scuffed it?

Capt Rick

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Re: Fuel pump saga continues.
« Reply #10 on: August 10, 2019, 02:38:52 am »
2838073010   Relay,FuelPump,Assembly           59.83    15.00

here enter part number in the search box!!!!

otgixxer

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Re: Fuel pump saga continues.
« Reply #11 on: August 12, 2019, 15:11:53 pm »
So I changed out the fuel pumps, boat fired right up.  Took it out and no issues.
Took it out again next day made it 45 to the island no problems.
heading back from the island the wind picked up and the water was pretty choppy.
about half way back I noticed that the boat was backing off on power but wasnt from my input.
then it would cut way back several times.
If i went back to nuetral or a slow cruise I could speed back up for another 20 seconds then it would start slowing itself down again.
Not sure but it seems like its starving for fuel pressure, then my assumption is when i let it mellow for a bit, it builds psi back up and allows for longer run.

I think I will double check all the fittings and connections to make sure the slamming around on the waves didn't know something loose. 

It was great all day before hand, so I'm really crossing my fingers its something simple.

Poor Toyboata has had a rough month :(

otgixxer

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Re: Fuel pump saga continues.
« Reply #12 on: August 13, 2019, 05:05:39 am »
2838073010   Relay,FuelPump,Assembly           59.83    15.00

here enter part number in the search box!!!!

I searched this in the search bar and it didn't have any result.

Can you order me one Rick?