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05 Duramax LLY Tuner?

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Old Feb 9, 2012 | 09:59 AM
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latorrm1's Avatar
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Default 05 Duramax LLY Tuner?
I have an 05 Duramax LLY put air intake and exhaust on it. Now have annoying check engine light, when this light is on truck is sluggish. Maybe EGR?? Any ideas on tuners?
Any ideas would help.
 
Old Feb 9, 2012 | 12:11 PM
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MillerBoyzDiesel's Avatar
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From: Kentucky
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Try and check for codes, might be setting maf codes and de rating the engine power.
 
Old Feb 11, 2012 | 12:16 AM
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2004LB7's Avatar
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is the intake larger then stock? may need to re-scale the MAF sensor if it is. what code was it?
 
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