F250 2011 - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 06-08-2011, 08:40 AM Thread Starter
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F250 2011

My F250 2011 keeps making a knocking sound every once in awhile and seems to miss a little. It is like it is studdering. It seems to be getting a little worse. The problem is that i cant duplicate it and take to Ford.
I am getting frustrated.
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post #2 of 4 Old 06-08-2011, 07:08 PM
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Take it to your service manager and document it, write down the date, time, and who you spoke with. Next time it happens, do the same thing.
Most people think theirs is an isolated instance, the more people document it the more attention it receives.
The other point is, if you suffer a mechanical issue, you have documented it. Having a record of dates, times of the occurence will not hurt you.

Driving: 2011 Pale Adobe...F-350 CC 6.7 FX4 3:55-Locking Rear End-Dual Alternators-premium Lariat, moon rf, added wheel flares, 2-tone black base

Picked up 4/29/10 as of 06/20/2012 109,000+miles
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post #3 of 4 Old 06-08-2011, 07:11 PM
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...might be a bad,shorting(?), plugged injector...sounds fuel related...

Driving: 2011 Pale Adobe...F-350 CC 6.7 FX4 3:55-Locking Rear End-Dual Alternators-premium Lariat, moon rf, added wheel flares, 2-tone black base

Picked up 4/29/10 as of 06/20/2012 109,000+miles
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post #4 of 4 Old 06-09-2011, 02:43 PM
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Does it tend to happen at low rpm and light load?

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