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Old 04-15-2019, 09:27 AM
chessy56 chessy56 is offline
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Join Date: Jan 2006
Location: South Milwaukee, WI
Posts: 225
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update: Now getting a P041B code in addition to the U029E. DEF fault light comes and goes, but I can force it ON with "heavy acceleration" and after driving normally for a bit, the indicator resets. P041B appears to deal with EGR gas temperature.

Since this is part of the emissions system, my bet is that I'm on the hook for the repairs, given the 50K miles warranty limit. The dealership is hemming and hawing about whether it's covered- all depends on what the tech codes it out as (???) and if any given part(s) would be defective per GM!
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"Chessy56"
So. Milwaukee, WI
'01 2500HD, LB7, 440K miles
"Stock" engine. Dual fuel filtration system with Kennedy lift pump, BF Goodrich Commercial T/A Traction tires (sold to a dude from Texas- it's living a warmer life just fine down there now!).

'17 2500HD, L5P (Happy Birthday/Merry Christmas to me!!!) Currently bone stock, 84K miles.

"Socialism is a philosophy of failure, the creed of ignorance and
the gospel of envy. Its inherent virtue is the equal sharing of misery."
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Last edited by chessy56; 04-15-2019 at 01:42 PM. Reason: more info obtained.
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