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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
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The Garage
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Trucks [ Eighteen Wheelers ]
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Heavy Duty Diesel Truck Mechanics Forum
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2011 Peterbilt roll off SCR
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<p>[QUOTE="springerj, post: 11607761, member: 143808"]I’ve got a 2011 Peterbilt Paccar with low SCR efficiency. Truck was requesting parked regen multiple times a day. Replaced DPF, DOC, BPV, DEF doser and EGR valve. Had SCR Cleaned. Replaced DEF fluid and filter as well as all temperature sensors for after treatment system. </p><p><br /></p><p>During regen my temperatures are….</p><p>Before DOC 740</p><p>Before DPF 1050</p><p>After DPF 1030</p><p>Before SCR 890</p><p>After SCR 850</p><p><br /></p><p>DEF pressure 130</p><p>DEF dosing rate 18</p><p>Nox before cat 289</p><p>Nox after cat 193</p><p>SCR efficiency 30%</p><p><br /></p><p>Any ideas?[/QUOTE]</p><p><br /></p>
[QUOTE="springerj, post: 11607761, member: 143808"]I’ve got a 2011 Peterbilt Paccar with low SCR efficiency. Truck was requesting parked regen multiple times a day. Replaced DPF, DOC, BPV, DEF doser and EGR valve. Had SCR Cleaned. Replaced DEF fluid and filter as well as all temperature sensors for after treatment system. During regen my temperatures are…. Before DOC 740 Before DPF 1050 After DPF 1030 Before SCR 890 After SCR 850 DEF pressure 130 DEF dosing rate 18 Nox before cat 289 Nox after cat 193 SCR efficiency 30% Any ideas?[/QUOTE]
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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
Forums
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The Garage
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Trucks [ Eighteen Wheelers ]
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Heavy Duty Diesel Truck Mechanics Forum
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2011 Peterbilt roll off SCR
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Reply to Thread