Engine knocking - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 12-29-2011, 06:28 PM Thread Starter
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Engine knocking

I think my engine is knocking alittle. I might be wrong because it's my first diesel, and it's a 7.3. I have a turner on it, and when i set it on whisper mode, you can hear it knock, but switch back to dd and you can barely hear it over the motor. It might be just because it's a 7.3 or not. Anyone's input will help
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post #2 of 4 Old 12-30-2011, 08:55 AM
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U could crawl around the engine with a stethoscope or a metal pry bar or punch and try to pinpoint the sound. harbor freight tools has a cool stethoscope with a rod attached that might b helpful I'm gonna get one today and c how it works. I've got the same problem but mines got loud enough to just park it. Shur don't want to put a window in the block. But also the 7.3 is pretty loud, could b just hearing the injectors firing. Good luck

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post #3 of 4 Old 12-30-2011, 10:50 AM
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I am fairly certain you are hearing injectors even in wisper mode my friend.

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post #4 of 4 Old 12-30-2011, 12:17 PM
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Diesels have a rattling sound when running. The firing impulses on a diesel engine are much more distinct than on a gasser. You might want to have a diesel tech lend an ear to see if it's normal or not.
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