6.0 shudder/missing when cold, checked the basics I think - Ford Powerstroke Diesel Forum
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Old 05-31-2011, 01:18 PM

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6.0 shudder/missing when cold, checked the basics I think

6.0 excursion 120k new to me.
first two weeks, it seemed to crank a bit more before it started but attributed it to being a different truck, (had a duramax and cummins too)
but when cold it would be a bit underpower and between 55-65 it would shudder and hesitat/miss a bit. Then would smooth out and would be gone.
Now it is slightly worse and is idling rough at cold start.
checked ficm 48.5 with key on not running, 48.9 at start up. so seems good,
checked and no codes, I do get that water/ in fuel light occasionally even though I've drained it several times.

What to check now?
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