Knocking - Ford Powerstroke Diesel Forum
 
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post #1 of 2 Old 04-04-2013, 12:34 PM Thread Starter
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Knocking

I have a 2001 f250 7.3 it has started to knock. It sounds like a rod could be knocking. The only thing is that it only does it at an idle or on deceleration. I stall it up on the converter and the knock goes away. If I am driving it as long as I am on the fuel it is fine runs great. really it runs great all the time but this knock is getting worse. I seem to think after listening to it that it could be coming from the flex plate area. Could it be a cracked flex plate?
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post #2 of 2 Old 04-07-2013, 02:09 PM
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It could be injector related. Mine does it when its warm at an idle. sometimes its worse than other times. Fuel additives have help it but it seems to be a common thing on the 7.3's

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