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UPDATE! Sorry for the delay but it appears we have finally resolved my issues of blowing DI's. Big thank you to everyone on this board who provided great information! Ended up replacing 4 DI's and...

Will the 4 good injectors still in the motor have to be cleaned and tested again even though Brucato has done this once already? There are 2 bad DI's being replaced with new going to assume they are...

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Leo13 appreciate your feedback, so if we know what makes them fail how do we prevent more DI's from failing by cleaning the ENTIRE system as EuropeanAM suggests?

Really appreciate the feedback guys will be taking this info to my dealer and pray for a better outcome than what I've had.

Guys received this update today from the tech that is working on the motor.

I am wondering if there is a chance that the air compressor may have been leaking some water into the flow stream of...

I have asked that but will ask again when I go there today. They hook their laptop up and run misfire tests etc and determine it from there. What ever cylinder that is not firing has had the bad DI....

From the Brucato report: On preflow these four injectors were found to be erratic with the percentage of imbalance out of tolerance at all three test points. #2 at first was stuck open then was low...

Guys the compressor has never been replaced, it has been inspected by 2 Mercury mechanics and they have said the compressor is fine. The injectors have been cleaned and flow tested I listed that in...

This has been done was told compressor is fine.

Ramp is in a no wake zone so yes it idles for awhile before I put it on trailer so yes I would say it is cooled down.

I will check the FAQ, I ran 87 Octane until recently when the dealer I went to for a second opinion told me to run 91.

There are not a lot of good choices for good mechanics. The two I have used...

Yes the have said it is fine and no debris in fuel rail.

Have a nightmare on my hands. 6 blown direct injectors in less than a year and no one can figure out why. Looking for any and all feedback thanks in advance.

· 2006 Mercury Optimax...

Quick Kleen 1 oz per 5 gallons, Quick Kare 1/2 oz per 5 gallons that is direction on bottle. Went to 91 octane, tried different fuel thanks for heads up.

Got a nightmare on my hands and don't know what to do. Blown 6 Direct injectors in less than a year. Open to any and all feedback. Thanks in advance.

· 2006 Mercury Optimax 200HP Serial#...