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Old 08 August 2009, 07:32   #1
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optimax fuel pump problems

I have a opti 175, new last year, with under 40hours on the clock.

Last week whilst going out, it flashed up water in fuel, immediately we returned to the marina and I got the filters changed. I have a large inline filter before it gets to the engine, on inspection it didnt look overly full of water when emptied.

Anyway, 2 new filters later I was told all ready to go...Took it out again and running really lumpy, got to 2000 revs then died, so went back.

Now informed that the fuel pump is knackered, keeps blowing fuses...Is it normal for a fuel pump to fail after such a short period of time?Can I get it replaced under warranty or is this going to cost me 100's?

I hope it can be done under warranty as this was one of the main reasons for buying a mercury engine...I thought these optimaxes were good?!
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Old 08 August 2009, 07:48   #2
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Hopefully the work you had done, together with the diagnosis of a knackered pump were performed by a Mercury dealer, if so it should be covered by warranty.
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Old 08 August 2009, 07:52   #3
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Mariner dealer; local mercury dealer, will still be waiting at Christmas for him to look!(then he probably wont turn up, from previous dealings!)
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Old 08 August 2009, 08:17   #4
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Name and Shame...
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Old 08 August 2009, 08:30   #5
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They are pretty reliable but they have bits that can fail the oil pump has failed on me when I used to own one (a 150)



I'd reccomend Marinautic in Poole
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Old 08 August 2009, 08:40   #6
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if the pump was knackered by water, please note water in the fuel system it is not a warranty issue (offically)i know because i am one of the people that will do the warranty claims
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Old 08 August 2009, 08:51   #7
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The why doesn't the water in fuel sensor shut the engine down to Guardian mode.

Think my next big outboard is going to be an ETEC
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Old 08 August 2009, 09:01   #8
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because the sensor tells that there is water in the system and if you dont do anything about it you can /will damage vitall parts of the fuel system
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Old 08 August 2009, 09:08   #9
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This is a bone of contention here then....As soon as the engine said water in fuel, we returned, engine ran for about 2 mins after the warning and only at low revs. Its not like I carried on for hours with the smartcraft beeping!

It was not fired up again until fuel filters were replaced, it that going to be a mercury excuse so they dont cover the fuel filter?

All I know is it keeps blowing fuses, whether that is due to water or something else....I know nothing about outboard engines...The guy from the mariner dealership said there was that much water in the filters?
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Old 08 August 2009, 09:19   #10
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Quote:
Originally Posted by uncle al View Post
if the pump was knackered by water, please note water in the fuel system it is not a warranty issue (offically)i know because i am one of the people that will do the warranty claims
Tim'll sort it.
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