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Cattle Boards
Trucks, Tractors & Machinery
Any LB7 Duramax guys here?
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<blockquote data-quote="Ujaiaso" data-source="post: 1551749" data-attributes="member: 38061"><p>Hey all. I have a 2004 Silverado 2500HD 4x4 with the LB7(?) VIN#1 Duramax. Owned it for about 6 months now and now matter what we do to it the truck throws trouble codes for the mass air flow sensor and the egr system. It's been to Chevy 2 or 3 times now and both the entire EGR and MAF systems have been replaced but the trouble codes always come back after about 20 miles of driving. There is a K&N intake on the truck but Chevrolet insists that it has nothing to do with the issues I'm having.</p><p></p><p>Aside from that what kinds of trouble can I expect from the LB7 and the Allison 1000? Both Chevrolet dealers I've had the truck at have mentioned that these motors were problematic from the get-go and should be avoided, wish they'd have told me that when I bought it...HA! I have had a bunch of issues with the fuel system losing prime(random loss of power and stalling) and the trans going into limp-mode.</p></blockquote><p></p>
[QUOTE="Ujaiaso, post: 1551749, member: 38061"] Hey all. I have a 2004 Silverado 2500HD 4x4 with the LB7(?) VIN#1 Duramax. Owned it for about 6 months now and now matter what we do to it the truck throws trouble codes for the mass air flow sensor and the egr system. It's been to Chevy 2 or 3 times now and both the entire EGR and MAF systems have been replaced but the trouble codes always come back after about 20 miles of driving. There is a K&N intake on the truck but Chevrolet insists that it has nothing to do with the issues I'm having. Aside from that what kinds of trouble can I expect from the LB7 and the Allison 1000? Both Chevrolet dealers I've had the truck at have mentioned that these motors were problematic from the get-go and should be avoided, wish they'd have told me that when I bought it...HA! I have had a bunch of issues with the fuel system losing prime(random loss of power and stalling) and the trans going into limp-mode. [/QUOTE]
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Any LB7 Duramax guys here?
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