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Search: Posts Made By: pat_murphy
Showing results 1 to 12 of 12
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Forum: General Q & A
08-31-2020, 11:29 AM
Replies: 3
Views: 574
Posted By pat_murphy

So one pump feeds the other?

So one pump feeds the other?
Forum: General Q & A
08-31-2020, 10:41 AM
Replies: 3
Views: 574
Posted By pat_murphy

500 EFI Fuel Pump Question

Does the Mercury 500 EFI have a mechanical and electric fuel pump?
Forum: General Q & A
08-17-2020, 10:15 AM
Replies: 1
Views: 507
Posted By pat_murphy

500 EFI Fuel Pump

Anyone have any tips on changing the fuel pumps on a Mercury 500 EFI?
Forum: General Q & A
08-12-2020, 11:17 AM
Replies: 21
Views: 7,518
Posted By pat_murphy

That is on the agenda for this winter, but I have...

That is on the agenda for this winter, but I have to solve this problem as I don't think the top end is creating the issues I'm having now. It would be a shame to do all that work and have it be a...
Forum: General Q & A
08-11-2020, 04:08 PM
Replies: 21
Views: 7,518
Posted By pat_murphy

Thanks for the info.

Thanks for the info.
Forum: General Q & A
08-11-2020, 01:10 PM
Replies: 21
Views: 7,518
Posted By pat_murphy

What about the fuel cooler?

What about the fuel cooler?
Forum: General Q & A
08-11-2020, 12:33 PM
Replies: 21
Views: 7,518
Posted By pat_murphy

Could be, its just odd that it runs great for...

Could be, its just odd that it runs great for almost an exact amount of time or until it reaches a temp and then fails.
Forum: General Q & A
08-11-2020, 11:52 AM
Replies: 21
Views: 7,518
Posted By pat_murphy

Thank you!!

Thank you!!
Forum: General Q & A
08-10-2020, 12:35 PM
Replies: 21
Views: 7,518
Posted By pat_murphy

500 efi

500 efi
Forum: General Q & A
08-10-2020, 12:35 PM
Replies: 21
Views: 7,518
Posted By pat_murphy

Thats my next test...just ordered a fuel pressure...

Thats my next test...just ordered a fuel pressure gauge.
Forum: General Q & A
08-10-2020, 12:34 PM
Replies: 21
Views: 7,518
Posted By pat_murphy

No sensor codes came up when the symptoms begin.

No sensor codes came up when the symptoms begin.
Forum: General Q & A
08-10-2020, 12:25 PM
Replies: 21
Views: 7,518
Posted By pat_murphy

500 EFI Loss of Power and Backfiring

1999 Hallett 240 with a Mercury Racing 500 EFI - 404 Hours

The boat runs good consistently for 10 minutes and then backfires through the exhaust randomly through all cylinders. Once it backfires,...
Showing results 1 to 12 of 12


 
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