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Loud engine.

Jase0520

By Jase0520,
in The Garage

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Jase0520 NPORA Newbie

Jase0520

Posted
Posted

So I recently changed out my ecm and it's been running fine except that after it starts it runs quiet and normal for about 30 seconds then the engine gets to opp temp then it is just loud and almost sounds like the fan is working on double time. The engine also heats up extremely quickly but it has not yet over heated. I have tried the idle relearn many times over an extended period but nothing changes. I am just trying to figure out where to start....is it a cooling, air flow, water pump issue, etc... any ideas? Thanks

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  • 2 weeks later...
Cuong Nguyen NPORA Old-Timer

Cuong Nguyen

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Posted

Why did you change out your ECM?

Was this issue present prior to switching out the ECM?

Did you do anything else besides change out the ECM?

Do you notice any performance issues?

Perhaps record and upload what you are hearing.

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