The third pic is the internals of this same MEFI 3 ECM with some marked components and the red dots that are common failure points. The wave form patterns now show steady normal patterns. The second picture is that same ECM fixed by Boats Unlimited. The first picture is the wave form patterns of a bad ECM. Please see the boat ecm repair gallery below. Just like anything else electronic, ECMs will fail in due time. Why would anyone want to risk having a faulty ECM jeopardize their investment, especially when the electronic ECM is old? ECMs are a very specific electrical processing device receiving inputs and controlling outputs. You must have a good working platform at the onset of your project BEFORE you think about using your 10 to 30 year old ECM unit, especially on newly built engines or upgrades. 20Vor more T hese items are available from Tohatsu Parts Center by using the same process for ordering other parts.
YAMAHAs newly released F70 four-stroke marks a further continuation in the evolution of light, powerful and fuel-efficient outboards. If you are doing an engine rebuild, engine upgrades, or maybe just trying to find your engine running issues, ECM testing is one way to help diagnose your issues.Īlso, if you are doing recalibration to your ECM, it is very wise to have your ECM tested before recalibration. This is the MOST comprehensive ECU Flash Subaru training available anywhere 199.
Here is an example of wave foam testing by us on a MEFI 3 ECM to show that we will work on a variety of different ECM units, including Mercury MerCruiser and Volvo Penta. Do you have a marine, commercial, or industrial ECM (electronic control module) that you know is broken? We might be able to salvage it!ĭo you have a marine, commercial, or industrial ECM that you fear might be broken, but not sure? We can test and verify that it is either working or in need of repair.
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