Rough idle. - Diesel Truck Forum -
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post #1 of 1 (permalink) Old 08-13-2011, 02:04 PM Thread Starter
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Rough idle.

I'm usually in the 7.3L area but my daughter got a 2003 Duramax from her dad.

This thing sounds like crap when I crank it up. Idles rough until it warms up. All stock truck with 168000 miles. Well maintained. Oil, fuel filters,air filters. I can work on my Ford but have no clue as where to even start on Duramaxes. Any ideas of where to even start looking?

Thanks, John

2002 f250 4x4 SRW, 7.3L Auto, 4" exhaust, 20" rims on Toyo MT's, Boost, Pyro, Tranny ISSPRO ev's underdash pod., DP TUNER F5, stock, 60 tow, 80 , 120 race, DYI Tymar Intake

2000 New Holland 3930 Diesel tractor
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