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TIMOTO, Mechanic
Category: Boat
Satisfied Customers: 1457
Experience:  Former Kawasaki pwc tech. current Honda pwc tech.
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I have a 2005 aquatrax F-12X it threw a knock sensor code,

Customer Question

I have a 2005 aquatrax F-12X it threw a knock sensor code, so I changed the sensor. ran good for 2hrs then went to use it again and coded the knock sensor again. dealer recommended changing the main relay. someone also said possible computer problem? Please advise
Submitted: 1 year ago.
Category: Boat
Expert:  TIMOTO replied 1 year ago.

The knock sensor code is always a problem internal to the ecu/computer. To fix it will require replacement. If you know someone else with the same year and model you can interchange the ecu to confirm the problem.

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