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Dominick
Dominick, Marine Mechanic
Category: Boat
Satisfied Customers: 1009
Experience:  25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified
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I have a 2005 8.1L osi- with a MAP sensor error code 81. I

Customer Question

Hi James, I have a 2005 8.1L osi-B with a MAP sensor error code 81. I swapped sensors with the starboard engine and get the same error. Fuel pump was whining so I replaced that as well. Didn't cure the issue. Any ideas? I'm getting everything answers from injectors to vacuum leak
Submitted: 5 months ago.
Category: Boat
Expert:  Jason replied 5 months ago.

Hi David my name is Jason.

What scan tool are you using?

Customer: replied 5 months ago.
Hi Jason, I'm not sure as it isn't my scanner. I can find out if needed. The engine just runs in limp mode, max @2100 rpm under a load, however will rev free-wheeling.
Expert:  Jason replied 5 months ago.

Are you working on this yourself, or is a mechanic working on this and relaying you information?

Customer: replied 5 months ago.
I had a mechanic come by and he pulled the code. He is a bit mystified at this point.
Expert:  Jason replied 5 months ago.

Can you find out what tool he is using, and specifically what the code says?

Customer: replied 5 months ago.
Ok found out the code. Code 41 Shows fault H, G, D, B, A.
Expert:  Jason replied 5 months ago.

This isn't going to work. I will opt out

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