17 July 2026 · Sam de Jong

What can I do to prevent the EMM from breaking down?

Maintenance is essential to prevent your EMM from breaking (again). Here are some simple steps you can take to maintain your EMM:

  1. Ensure your battery connections are securely fastened. Loose connections can cause power interruptions and generate high inductive spikes that may damage the ECU.
  2. Inspect your battery terminals and cables for corrosion. Corrosion can disrupt electrical flow and pose a risk to the EMM.
  3. Check the condition of your battery switch. A faulty switch can lead to power interruptions, endangering the EMM.
  4. Properly connect high-power consumption devices like radios, fridges, or inverters. Poor connections can disrupt the charging circuit, potentially damaging the EMM.
  5. Monitor EMM cooling across various RPM ranges. Efficient cooling is crucial for the EMM's lifespan, and water flow may differ at different RPMs.
  6. Examine the connectors leading to the EMM for signs of corrosion.
  7. Inspect the connectors on the EMM itself.

Sometimes we can give specific advice on what can be done after a repair.

Wat klanten zeggen

★★★★★

James Clarke
GB United Kingdom
★★★★★
Fast, kept well informed, fixed the issue. Had to pay VAT charge when importing back to the UK which I hadn't factored into the costs, but still better value than a new one.
Google review · 1j geleden
robert eichholz
FI Finland
★★★★★
My Evinrude E-Tec 50 / 2014, driven only less than 150h, started signalling "Check Engine". The test program showed "Injectors voltage over 55V". Found Hardware Care and on theis homepage I could insert the type and "ser...
Google review · 1j geleden
Jeremy Nakat
AU Australia
★★★★★
had my evinrude etec blow the SAC circuit in its computer looked at every option all i could find was a new emm for 3k or for less then half that for a rebuild by hardware care, I had my doubts and was abit worried sendi...
Google review · 2j geleden
Paul W
GB United Kingdom
★★★★★
My Evinrude Etec 50hp failed completely and the issue was traced to a failure of the engine management system (EMM) which is both complex and expensive to repair or replace. A couple of acquaintances who had first hand e...
Google review · 2j geleden
Danie Bruyns
ZA South Africa
★★★★★
I have sent 2 EMM's to Hardware Care for repair in the past year. Both times I was very satisfied with the Excellent Service provided. I will not hesitate to deal with Hardware Care any time I need to, in future. Danie -...
Google review · 2j geleden
Mike Moulder
US United States
★★★★★
2008 Evinrude E-Tec 60hp: All the EMM repair shops in the U.S. said this "EMM could not be repaired and that my engine is trash". I reached out to Hardware Care; they stepped me through their process and I'm sure glad I...
Google review · 2j geleden
Peter Kuhn
US United States
★★★★★
The repair service is much easier, less expensive, and quicker than I'd expected. Our 2017 Evinrude Etec 40 hp motor's EMM went out from California to the Netherlands 12/28/23 and returned 1/31/23. Total cost including...
Google review · 2j geleden
Kevin Bray
US United States
★★★★★
Because of the difference in time, some communications from me got there when they were asleep! None the less they responded to each of my many questions over the last 4 Months. The time was extended understandably due...
Google review · 2j geleden
Ton Kalkman
NL Nederland
★★★★★
I was very pleased when i found out that it was possible to let my ECU fixed for a third of the cost of a new one, and also in the Netherlands, were i live. When you send your ECU in they send you updates about the progr...
Google review · 2j geleden
stephen mccalvin
US United States
★★★★★
Repair time was exactly as they predicted. Shipping there and back was super easy as they arranged the pickup from my office in Florida. Once returned I installed the repaired EMM and my boat fired right up with no is...
Google review · 2j geleden

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