6.0L surges at idle - Ford Powerstroke Diesel Forum
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Old 04-14-2013, 03:47 PM
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6.0L surges at idle

I noticed that my recently bought 03 Excursion 6.0L sometimes surges at idle. I notice when at stop lights with the truck in D that I can hear the rpms go up a little then back down. If I am lightly holding the brakes the truck will move a little each time. It has fresh 10W-30 syn oil, new EGR and new filters (all factory). What can be some causes of this?
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Old 04-14-2013, 06:25 PM
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Mine has been doing that for almost a year now and I still haven't figured it out someone told me it could be a hpop leak haven't found it yet.
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Old 04-15-2013, 11:15 AM
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And, of course, my (new to me) 03 F250 has just started surging up and down a bit at idle. Only thing done to it was my Tech found a hoseclamp on the turbo loose and tightened it.
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Old 04-15-2013, 11:28 AM
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I'd suspect the ICP sensor, especially if it's an 03 engine. The ICP sensors are known to leak on the 03's and contaminate the harness.
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