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JphIII
MMT Pro Member
Joined: Sun Nov 02, 2014 8:23 am Posts: 308
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**need help** 37efi won't turn over, fuel pump doesnr turnon
Hey guys Was running boat and all of the sudden engine backfired and cutoff. Sounded like a fuel issue almost like I ran out of gas so checked all lines and everything is good. Noticed that fuel pump does not energize when key is in the intermediate position. Checked all connections and retightened grounds, spark plugs sparking, but can't seem to get fuel pump to turn on. When starting engine turns but won't fire up. Could it be a relay issue? What would y'all check? Trying to get some last birds in today and tomorrow so yalls help would be really appreciated. Motor is 37efi PD with 37 hours.
_________________ PD 1754 X Series and a PD 37EFI
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Sat Jan 28, 2017 6:54 am |
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SETx Longtail
MMT 1000 Club
Joined: Sun Sep 01, 2013 2:53 pm Posts: 3480 Location: Hardin County, Tx
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Re: **need help** 37efi won't turn over, fuel pump doesnr tu
Do you have a means of checking power to the pump? Meter? Test light?
_________________ #CFFITR
-Custom pool noodle -stage 4 water wings
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Sat Jan 28, 2017 7:40 am |
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JphIII
MMT Pro Member
Joined: Sun Nov 02, 2014 8:23 am Posts: 308
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Re: **need help** 37efi won't turn over, fuel pump doesnr tu
I do have a test light, yes. The connections to the pump don't exactly look testable to me. They are those male/female clip in connections.
_________________ PD 1754 X Series and a PD 37EFI
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Sat Jan 28, 2017 7:45 am |
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SETx Longtail
MMT 1000 Club
Joined: Sun Sep 01, 2013 2:53 pm Posts: 3480 Location: Hardin County, Tx
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Re: **need help** 37efi won't turn over, fuel pump doesnr tu
Unplug the lift pump, and probe those two wires and see if you have power there when you turn the key on.
Another thing to try is to pump the primer bulb and see if it tries to start. You probably won't make the required 42psi to run it but it'll give you an idea anyway.
_________________ #CFFITR
-Custom pool noodle -stage 4 water wings
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Sat Jan 28, 2017 7:50 am |
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JphIII
MMT Pro Member
Joined: Sun Nov 02, 2014 8:23 am Posts: 308
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Re: **need help** 37efi won't turn over, fuel pump doesnr tu
What is the lift pump? The low pressure metal Dutch oven shaped fuel pump?
_________________ PD 1754 X Series and a PD 37EFI
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Sat Jan 28, 2017 7:58 am |
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SETx Longtail
MMT 1000 Club
Joined: Sun Sep 01, 2013 2:53 pm Posts: 3480 Location: Hardin County, Tx
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Re: **need help** 37efi won't turn over, fuel pump doesnr tu
Si señor
_________________ #CFFITR
-Custom pool noodle -stage 4 water wings
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Sat Jan 28, 2017 8:19 am |
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JphIII
MMT Pro Member
Joined: Sun Nov 02, 2014 8:23 am Posts: 308
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Re: **need help** 37efi won't turn over, fuel pump doesnr tu
Problem solved thanks to Jared at Prodrive. Bad relay, jumped it wth a wire and pump came on and was able to start motor. Going to replace the relay now.
_________________ PD 1754 X Series and a PD 37EFI
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Sat Jan 28, 2017 8:35 am |
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JphIII
MMT Pro Member
Joined: Sun Nov 02, 2014 8:23 am Posts: 308
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Re: **need help** 37efi won't turn over, fuel pump doesnr tu
Problem solved thanks to Jared at Prodrive. Bad relay, jumped it wth a wire and pump came on and was able to start motor. Going to replace the relay now.
_________________ PD 1754 X Series and a PD 37EFI
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Sat Jan 28, 2017 8:35 am |
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Mudman843
MMT Pro Member
Joined: Sat Oct 28, 2017 4:21 am Posts: 54
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Re: **need help** 37efi won't turn over, fuel pump doesnr tu
Where can u find these relays in Lafayette?
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Sun Apr 01, 2018 3:44 pm |
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brycecheramie
MMT 1000 Club
Joined: Thu Nov 04, 2010 7:38 am Posts: 4323 Location: Cut Off, La.
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Re: **need help** 37efi won't turn over, fuel pump doesnr tu
_________________ Refurbishing a Prodrive
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Mon Apr 02, 2018 5:53 am |
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Kruschpa
MMT Member
Joined: Sun Nov 16, 2014 8:59 pm Posts: 8
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Re: **need help** 37efi won't turn over, fuel pump doesnr tu
I had to replace the whole harness on my 2015 PD 37 EFI last November due to the same issue It will continue to burn up relays if it’s not replaced Should be covered under warranty
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Fri Apr 13, 2018 6:19 pm |
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