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| 2000 Horizon ECM broken https://www.smwebhead.com/phpBB3/viewtopic.php?f=3&t=10323 |
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| Author: | 200026horizon [ Thu Sep 13, 2012 8:18 am ] |
| Post subject: | 2000 Horizon ECM broken |
My boat would not go over 3800 Rpm, after a month in the dealer they determined my ECM was bad. Of course the original ECM is no longer available so they got an updated replacement from VOLVO with a new wiring harness with adapters for the new ECM. Now the boat will not even start. ANYONE have any helpful info. Every mechanic I have ever asked about this can't recall ever replacing more than 1 of these units if ever replacing. The part alone is $2300. |
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| Author: | Paul I. [ Thu Sep 13, 2012 8:32 am ] |
| Post subject: | Re: 2000 Horizon ECM broken |
I would be on the phone to Volvo. |
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| Author: | MichiWinner [ Fri Sep 14, 2012 7:24 am ] |
| Post subject: | Re: 2000 Horizon ECM broken |
Yeah, I would definitely be contacting Volvo too, especially considering that an ECM costs them about $150 or less and the harnesses under $100... It is amazing how boat engine manufacturers can charge across the board for technology that is 1-2 generations behind automotive. They cannot claim development charges, as most of their main products do not change/are not updated for years, and the things they do introduc are mainly much cheaper to develop electronics or add-ons. Even their "new" engines coming out next year are already outdated, considering GM will be aggressively phasing these blocks out starting in 2014. |
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| Author: | Lakebum [ Fri Sep 14, 2012 8:02 am ] |
| Post subject: | Re: 2000 Horizon ECM broken |
I had to replace an ecm on one of my engines "99 5.7 gsi, the most frustrating part was actually diagnosing the problem. I did a lot of research and asked for a few second opinions. Mine was a mefi 3, which is no longer available, however you can still find them on e-bay. I purchased a mefi 4 from a performance engine builder in AZ. It was just a standard mefi 4 off of a crate engine. Volvo will tell you that you have to buy the wiring harness $1300, that's bs. Your current wiring harness can be repinned to connect the newer ecm. It takes a few hours, but I think it's worth it. I spent around $800, changed from mefi 3, to mefi 4 with original wiring harness and it runs great. The only difference I notice is on start up, it takes about 10 seconds longer to idle down. Another option is to have the ecm reprogrammed. There are a few shops around the us that can reprogram the ecm if it is not damaged. |
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