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Old 09 October 2007, 02:33   #1
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Mariner Opti 200, injector prob?

I had my injectors removed and cleaned at the workshop due to an injector warning - that worked for about 5 running hrs, no it's the same. I suspect a fuel problem? I also burned a fuse before bypassing the fuel filter. Anyone knows where to start? I need to solve this, sell the engine and get my new Suz 300 Also have trouble to reach the 5700 top rev the former owner said, only reach 5100... Very greatful to any ideas on how to go about this.

Mariner Optimax 200, -01 approx 340 hrs.

Thanx!
Matt
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Old 09 October 2007, 04:25   #2
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"Injector warning" should be renamed "injector, but more likely a dodgy connection in the plug" warning! I assume your ECU is actually giving a "dodgy injector" fault code? If so, read on.......

Injectors don't tend to "half work". Normally they either go or they don't. I would run a check on the wiring loom 'tween the ECU and the squirters, and pay close attention to the connectors. the fact you have managed a few hours running sounds like one or more might be shaking loose. (by disconnecting & reconnecting them when they were flushed has probably remade a dodgy connection in the plug(s), even just temporarily.

I don't know what kind of plugs (electrical on injectors, not spark!) the Opti uses, but if you can get inside and squeze the two halves of the electrical connection inside together a bit so it grips the pins on the injector better, it might make a more reliable connection. Then squirt some WD40 (or whatever your local brand of "save the universe" oil is ) to expel any dampness, and hopefully that should get you on the move again.

Good luck!
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Old 09 October 2007, 13:55   #3
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Gr8, thankyou I'll do just that. It's all rewired in 2006 though and looks healthy but that's no guarantee. Also our local save the universe oil from CRC is called 5.56 I'll try that as well.

Many thanks Mate
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Old 09 October 2007, 20:18   #4
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9d280 ( any relation to WD40 ) is on the case in my opinion. I believe the connectors are standard Bosch injectors like you have on BMW's

the bottom two connections tend to corrode
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Old 10 October 2007, 03:52   #5
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The Best bloke in your area you can speak to is Andres Tibblin, Service Manager for Marine Power in Sweden.
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Old 14 October 2007, 12:52   #6
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i got same engine and mine makes a twitering noise! is this normal?
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Old 14 October 2007, 13:32   #7
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Quote:
Originally Posted by Turbodiesel View Post
The Best bloke in your area you can speak to is Andres Tibblin, Service Manager for Marine Power in Sweden.
Gr8, I'll give him a call!

Matt
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Old 14 October 2007, 13:33   #8
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Quote:
Originally Posted by gtflash View Post
i got same engine and mine makes a twitering noise! is this normal?
Hi,
On top or near top revs my sounds "twity" too so let's hope for normal!

/Matt
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Old 15 October 2007, 12:41   #9
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Hi,
On top or near top revs my sounds "twity" too so let's hope for normal!

/Matt
lower down to mid range, cant really hear it on acceleration... had a nose cant find anythin looses
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Old 16 October 2007, 13:31   #10
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Quote:
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lower down to mid range, cant really hear it on acceleration... had a nose cant find anythin looses
I've had a similar prob on a Johnson, turned out to be Engine hood handles, check'em all tighten on inside if needed.

/Matt
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