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Search: Posts Made By: mmwjr
Forum: Engines 06-11-2021, 01:15 AM
Replies: 21
Views: 1,605
Posted By mmwjr
So did he just give up?

So did he just give up?
Forum: Engines 06-10-2021, 04:08 PM
Replies: 21
Views: 1,605
Posted By mmwjr
I wonder if the knock control module is detecting...

I wonder if the knock control module is detecting a knock and limiting advance. Have you looked at the troubleshooting guide in the Mercruiser manual #23? Page 4E-12 is the wiring diagram.
Forum: Engines 06-10-2021, 11:10 AM
Replies: 21
Views: 1,605
Posted By mmwjr
What module did you replace, the sensor in the...

What module did you replace, the sensor in the distributor or the ECM? Did the mechanic give up trying to determine why it isn稚 advancing? How did he determine this anyway? Did he check for fault...
Forum: Engines 05-29-2021, 10:13 PM
Replies: 21
Views: 1,605
Posted By mmwjr
Did you have the ECM scanned for codes?

Did you have the ECM scanned for codes?
Forum: Engines 05-28-2021, 02:03 AM
Replies: 21
Views: 1,605
Posted By mmwjr
The older cool fuel systems had issues with paint...

The older cool fuel systems had issues with paint flakes in the system. Mercruiser denied this but many have posted about it.
Forum: Engines 05-27-2021, 07:09 PM
Replies: 21
Views: 1,605
Posted By mmwjr
Post pictures of the plugs. If you install new...

Post pictures of the plugs. If you install new ones does the performance improve? I don稚 think the regulator is the issue. Has the boat acted this way since you致e owned it?
Forum: Engines 05-27-2021, 03:44 PM
Replies: 21
Views: 1,605
Posted By mmwjr
Welcome aboard! First of never rev an...

Welcome aboard!

First of never rev an unloaded engine that high in rpm as you can do damage and it tells you nothing about the engines condition!

What engine(s) do you have? Is the bottom of...
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