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Hello my name is ***** ***** am I speaking with? I read what you wrote. Mercruiser engines are cataloged by serial number. Do you have that number available so I can look up and see exactly which version of the 4.3 you have.
Hi Declan. That would be the boat number. I would need the number off the engine itself. The engine serial number will have 1 number, 1 letter, 6 more numbers. For example. 0A123456. It will be on a tag riveted to the engine block just above the starter motor.
Okay got it. Do you have a scan tool for this engine?
Without a scan tool there isn't anything we can do to troubleshoot the issue. As much as I'd like to help I am not sure if I am going to be able to. Did you have any questions that I could answer for you?