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-   -   525 EFI No Oil Pressure (https://www.offshoreonly.com/forums/general-boating-discussion/301740-525-efi-no-oil-pressure.html)

mallatt442 08-22-2013 12:22 PM


Originally Posted by VoodooRob (Post 3980010)
Well here's the update. Drum roll please..........Bad Sensor. Mechanic hooked up an external oil pressure gauge and was at 55 PSI. No metal in filter and doing a full service, checking EVERYTHING. I will get the scoop on the alarm going off and the dash gauge reading zero, if there are separate sensors , etc. The alarm would only sound for me when I tried to go on plane, otherwise it would idle without alarm and gauge reads zero with a red warning light on. Maybe there is a limp mode, once RPM are up alarm goes off? Its great news for me, the engine is good and we are on track for Lake Cumberland Poker Run. I will repay the engine gods by doing the top end services at the end of the season.

Please tell us he hooked up the external gauge before he pulled the engine!!

VoodooRob 08-22-2013 02:10 PM


Originally Posted by mallatt442 (Post 3981509)
Please tell us he hooked up the external gauge before he pulled the engine!!

Yes they did, that would have been an expensive bilge cleaning! Picked the boat up yesterday, couldn't have turned out better.

Wobble 08-22-2013 02:50 PM

Might want to check the drive and power steering bottles, alarm coming on plane is often low fluid.

paul235 08-22-2013 08:30 PM

Jeff knows his **** glad to hear it worked out!

Comanche3Six 08-23-2013 02:23 PM


Originally Posted by VoodooRob (Post 3980010)
Well here's the update. Drum roll please..........Bad Sensor. Mechanic hooked up an external oil pressure gauge and was at 55 PSI. No metal in filter and doing a full service, checking EVERYTHING.

Nice fix!

BUP 08-23-2013 04:41 PM

You need to say who did the testing on your motor as they sound like a very honest marine shop. If they were dishonest they had for rebuilds and easy pickins.


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