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I will try to contact Don this week to see if we can schedule a time for me to make the trip to SC.

Well I gave up last year trying to solve this mystery. Maybe someone has ran across this problem and can help solve the mystery. There are videos attached in earlier threads and pics of the computer...

Just checked and the throttle position is all the way down and cable was adjusted correctly. I am going to have to do some research on how to voltage sweep the TPS

How do I know the exact setting for my throttle cable? I use a hand throttle.

So, Should I replace the TPS sensor again? I don’t throttle or anything before it is actually in gear.

It only alarms in the higher RPM range or when you first come out of full throttle. It has never alarmed at idle speed or in the 3500Ish RPM or less range.

I never throttle before the engine running or until in gear. I got the engine from someone when it had 17 hours so I can speak for the first 17 hours of the motor. I did install the motor on my boat...

He stated 230 times on the frequency count

They didn’t have a way to print or email readings so they let me take a picture of the screen. There were no faults stored. He stated that it still has TPS 1 No ADAPT. He believed it was going to...

http://www.bbcboards.net/attachment.php?attachmentid=332578&stc=1

http://www.bbcboards.net/attachment.php?attachmentid=332577&stc=1

http://www.bbcboards.net/attachment.php?attachmentid=332576&stc=1

http://www.bbcboards.net/attachment.php?attachmentid=332575&stc=1

Put the new crank position sensor on and ran it. I made a 15 minute run and it didn’t act up (thought it was fixed). Cut it off, fished for about 20 minutes and took off back towards the ramp. It...

Well it wasn’t the oil pressure sensor, changed it and the boat still messed up. Took the crankshaft position sensor off and noticed that the magnet appeared to be cracked. Hopefully this is the...

Unplugged and plugged back in every wire connector, plug or harness on the motor. Went and ran it and it still has the same issue. I called and asked the Mercury dealership that worked on my motor if...

We have ran the boat on a “remote” harness and ignition to rule out anything not actually mounted on the motor besides the battery. I went out and bought a new battery also. It still did the same...

The videos should be uploaded correctly now (first time uploading to you tube). I would love to have you look at it after the holiday if the issue can be resolved. Thank you!

https://www.youtube.com/watch?v=ldoKZHtxCfM&feature=youtu.be

https://www.youtube.com/watch?v=8gzU72uruKg&feature=youtu.be

https://www.youtube.com/watch?v=CEJrag4U9r4&feature=youtu.be

https://www.youtube.com/watch?v=tzfFiWLzc7A&feature=youtu.be

The Mercury Mechanic stated that no more codes have been stored since they cleared them and replaced the TPS. The issue still takes place and it is doing the same 1 beep randomly and then eventually...

Any suggestions?

I was finally able to get out today and take a video of the issue. I started out running and made a 25 minute run without it acting up. I cut it off and fished around. I made several short runs and...