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Search: Posts Made By: Dave_N
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Forum: General Q & A
10-08-2008, 08:15 PM
Replies: 45
Views: 7,503
Posted By Dave_N

Pat, I know Mark knows what he is doing, but to...

Pat,
I know Mark knows what he is doing, but to be honest with you I don't understand his advice. If you had a fuel system problem, the pressure would drop off or at the least become unstable....
Forum: General Q & A
10-01-2008, 06:44 PM
Replies: 2
Views: 5,828
Posted By Dave_N

Should be 91-803999 ...

Should be 91-803999



http://www.offshoreonly.com/forums/showthread.php?t=103342
Forum: General Q & A
09-29-2008, 06:46 PM
Replies: 26
Views: 2,953
Posted By Dave_N

vig, rob has not been logged in since August...

vig,
rob has not been logged in since August 2007. It's not very likely he's going to respond. You would be much better off starting your own thread.
Forum: General Q & A
09-29-2008, 02:21 PM
Replies: 3
Views: 846
Posted By Dave_N

If the Low Pressure code was set three hours...

If the Low Pressure code was set three hours earlier, and again when he ran it for you with no water, that should be indicated by a Frequency Count of at least 1.

The first time a code sets the...
Forum: General Q & A
09-25-2008, 07:45 PM
Replies: 45
Views: 7,503
Posted By Dave_N

Pat, Any chance you would let me test your...

Pat,
Any chance you would let me test your MEFI1 ECM (no charge)? I have a test bench for MEFI 1 and 2 controllers, with knock module and everything. I am very curious about how/why yours failed.
...
Forum: General Q & A
09-19-2008, 03:19 PM
Replies: 2
Views: 1,006
Posted By Dave_N

Nothing wrong - these codes mean some of the...

Nothing wrong - these codes mean some of the optional Smartcraft sensors are not connected. When you set a code that actually means something, you will get one of four audio alarms (2,3, or 5 beeps...
Forum: General Q & A
09-17-2008, 06:23 PM
Replies: 5
Views: 2,214
Posted By Dave_N

I don't think I understand. I've evaluated around...

I don't think I understand. I've evaluated around 100 marine engines in the last two years and the only time I've seen sodium numbers anywhere near that level is when the engine has chronic (salt)...
Forum: General Q & A
09-17-2008, 06:06 PM
Replies: 5
Views: 2,214
Posted By Dave_N

Sodium 978???

Sodium 978???
09-11-2008, 10:02 AM
Replies: 38
Views: 5,502
Posted By Dave_N

It's a real common problem on all the ECM/PCM555...

It's a real common problem on all the ECM/PCM555 engines. I believe that a lot of failures are caused by a restricted IAC muffler, which cause the IAC to run continuiously at 100% Duty Cycle and...
Forum: General Q & A
09-01-2008, 12:53 PM
Replies: 3
Views: 1,851
Posted By Dave_N

Splice 105 will have a constant 12 volt signal. I...

Splice 105 will have a constant 12 volt signal. I would suggest getting a MSD DIS Tach Driver, it connects to the coil power circuit (of one individual coil) and monitors current, then converts that...
Forum: General Q & A
08-29-2008, 07:19 PM
Replies: 3
Views: 1,851
Posted By Dave_N

Maybe I'm not understanding the question, but the...

Maybe I'm not understanding the question, but the coils are not supplied power through the PCM, they are connected to splice 105 which is energized (12v) when the Main Power Relay is closed.
Forum: General Q & A
08-23-2008, 12:18 PM
Replies: 2
Views: 2,779
Posted By Dave_N

You can download a service manual (you want #33)...

You can download a service manual (you want #33) here;

http://forums.iboats.com/showthread.php?t=251571
Forum: General Q & A
07-31-2008, 10:28 AM
Replies: 15
Views: 7,616
Posted By Dave_N

I had just left the hardware store and jumped in...

I had just left the hardware store and jumped in my truck. I got bounced around pretty good, but no damage.

As far as the IAC muffler, you don't need one at all. I know Raylar pulls them out of...
Forum: General Q & A
07-30-2008, 10:41 AM
Replies: 15
Views: 7,616
Posted By Dave_N

Dave, Finally had some time to look at the...

Dave,
Finally had some time to look at the files. The first two look pretty normal. In the third recording, the MAP is stuck at 10.86PSI, but the PCM doesn't seem to recognize it. Between that and...
Forum: General Q & A
07-29-2008, 10:23 AM
Replies: 22
Views: 8,178
Posted By Dave_N

This one? ...

This one?

http://www.boatfix.com/merc/Bullet/99/99_07.pdf

Mercruiser service bulletins up to '02

http://www.boatfix.com/merc/Bullet/sbcover.pdf

Download Mercruiser Service Manuals - free
Forum: General Q & A
07-29-2008, 10:05 AM
Replies: 13
Views: 8,231
Posted By Dave_N

It's 36PSI for MEFI 1, 43PSI for the MEFI 3.

It's 36PSI for MEFI 1, 43PSI for the MEFI 3.
Forum: General Q & A
07-28-2008, 10:04 PM
Replies: 15
Views: 7,616
Posted By Dave_N

Flat line?? That ain't right. Sent you an email.

Flat line?? That ain't right. Sent you an email.
Forum: General Q & A
07-28-2008, 05:38 PM
Replies: 15
Views: 7,616
Posted By Dave_N

There is a MAP Hi fault in the freezframe memory...

There is a MAP Hi fault in the freezframe memory with a frequency count of 14, and it has occured recently. The MAP is also a little high. Any chance you could email some recorded data to look at?
Forum: General Q & A
07-28-2008, 04:54 PM
Replies: 8
Views: 884
Posted By Dave_N

Did you see this thread? ...

Did you see this thread?

http://www.offshoreonly.com/forums/showthread.php?t=165349&highlight=6.2
Forum: General Q & A
07-28-2008, 01:14 PM
Replies: 6
Views: 912
Posted By Dave_N

#16 Download it here for free; ...

#16

Download it here for free;

http://forums.iboats.com/showthread.php?t=251571
07-22-2008, 08:57 AM
Replies: 2
Views: 1,016
Posted By Dave_N

I would suggest replacing the IAC muffler, they...

I would suggest replacing the IAC muffler, they become restricted and will cause a low and rich idle condition.

As far as reading codes, if your not getting an alarm, you don't have any active...
Forum: General Q & A
07-17-2008, 10:56 PM
Replies: 2
Views: 858
Posted By Dave_N

I would guess your performance problem is...

I would guess your performance problem is ignition related if you can smell unburned fuel being expelled out the exhaust.

On the issue of not being able to communicate with one engine, it sounds...
Forum: General Q & A
07-17-2008, 11:36 AM
Replies: 8
Views: 8,709
Posted By Dave_N

The scope of my business doesn't really include...

The scope of my business doesn't really include tuning, so I haven't purchased it yet, but I have met/talked with Bob Radke of MEFIburn on several occasions to discuss other (MEFI related) things....
Forum: General Q & A
07-16-2008, 03:01 PM
Replies: 13
Views: 6,066
Posted By Dave_N

So if you clear the codes do they reset right...

So if you clear the codes do they reset right away?
Forum: General Q & A
07-15-2008, 01:19 PM
Replies: 6
Views: 14,020
Posted By Dave_N

I can't say for sure, it's just the only thing...

I can't say for sure, it's just the only thing that was a little unusual in the data that you posted. A battery with one bad cell can still turn the engine over ok, but the voltage will be low and...
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