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E.C.M. malfunction

2K views 9 replies 6 participants last post by  ken n 
#1 ·
I have a 1999-502 MPI with a malfunctioning ECM.#3. Mercury Marine tells me the ECM I have is no longer available. Is there an after market ECM available or can I use a different Merc ECM?
 
#10 ·
All codes are clear but the engine dose not run as before.
I bought the boat new in 1999. The ECM went bad and was replaced by the dearler, it was still under warranty.I was tolled that the ECM I have been running for the past years was for a 350 MPI and not for a 502. My programer is trying to set it up for a 502 ,if it cant be done I will need a new one.
 
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