I have a 2005 duramax and after a while of driving(especially if i'm hauling a load) the engine light will come on and
Race Fuel Valve - 2004.5-2010 GM 6.6L Duramax LB7/LBZ/LMM and 2007.5-2010 Dodge 6.7 Cummins (113073000) – Pacific Performance Engineering
Amazon.com: Fuel Pressure Regulator for 04-05 Chevy GMC Duramax LLY Diesel MPROP # 0928400653 97369850 : Automotive
2001-2004 LB7 Duramax Fuel Pressure Relief Valve Block Off Kit
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PPE Race Fuel Valve for 04.5-10 Duramax LLY/LBZ/LMM and 07.5-11 Cummin – Hi Tech Classics
![Guide] LB7 Fuel Pressure Regulator Replacement | Chevy and GMC Duramax Diesel Forum](http://i.imgur.com/7tim0Zb.jpg "Guide] LB7 Fuel Pressure Regulator Replacement | Chevy and GMC Duramax Diesel Forum")
Guide] LB7 Fuel Pressure Regulator Replacement | Chevy and GMC Duramax Diesel Forum
Common Rail High Pressure Relief Valve | Huckstorf Diesel Pump and Injector Service Inc of Wisconsin
![Guide] LB7 Fuel Pressure Regulator Replacement | Chevy and GMC Duramax Diesel Forum](http://i.imgur.com/dh5sBHo.jpg "Guide] LB7 Fuel Pressure Regulator Replacement | Chevy and GMC Duramax Diesel Forum")
Guide] LB7 Fuel Pressure Regulator Replacement | Chevy and GMC Duramax Diesel Forum
Fuel Pressure Relief Valve for 04.5-10 Duramax LLY/LBZ/LMM -Fuel Plug Valve | eBay
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Lb7 fuel pressure relief valve duramax - YouTube
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GM 6.6L Duramax LB7 Fuel Rail Relief Delete 2001-2004 - BT-Power DEC011726 | Bostechauto.com
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Fuel Pressure Relief Valve / Race Plug
LLY Duramax FPR Replacement - YouTube
![Guide] LB7 Fuel Pressure Regulator Replacement | Chevy and GMC Duramax Diesel Forum](http://i.imgur.com/enxAkYF.jpg "Guide] LB7 Fuel Pressure Regulator Replacement | Chevy and GMC Duramax Diesel Forum")