3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Truck surging on highway

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Old Dec 30, 2010 | 01:57 PM
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robert78.5's Avatar
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From: Manitoba
Truck surging on highway

A buddy just phoned on his cell. His truck surges at highway speeds. 2004, automatic, it does it whenever it gets below freezing. Is there a vent or something freezing over. The fuel is good, he uses truck a lot so fuel is winter blend.
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Old Jan 1, 2011 | 01:28 AM
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SuperGewl's Avatar
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Exactly when does it surge, cruz on or just cruzing. Does surge only when cold, then thats the grid heaters cycleing on and off for 3 minutes.
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Old Jan 1, 2011 | 01:17 PM
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robert78.5's Avatar
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I am going to try it myself tommorrow, he says it starts about 20 miles down the road with cruise on, just a slight slow down than back to normal.
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