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Charles
Charles, Marine Mechanic
Category: Boat
Satisfied Customers: 3429
Experience:  US Navy (Ret) Certified Mercury Marine Tech with over a decade of repair experience.
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My 175hp mariner is coming up with a DTS fault 22 and fault

Customer Question

my 175hp mariner is coming up with a DTS fault 22 and fault 17
Submitted: 1 year ago.
Category: Boat
Expert:  Charles replied 1 year ago.

Hello, my name is***** will assist you.

Code 17 is for the MAP sensor on the engine. This could be a torn boot on the sensor, a failed sensor, or an issue with the throttle body. You would need to inspect the intake for air air leaks.

Code 22 is the warning horn output, meaning that the horn in the boat is not working. Most of the time it is just a failed alarm horn. It just plugs into the harness and is very easy to replace.

Please let me know if you have any questions.

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