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P0251 Diagnostic Trouble Code Discussion for May 2012

Injection Pump Camshaft System


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Trouble Ticket Help Requests for DTC P0251
Help Request Posted
2005 Dodge Ram 3500 Truck SLT 5.9L Run Away VIN: 3D7LS38CX5
P0251: CP3 Pump Regulator Control. ... to run away after letting of the throttle. The engine will also run rough and puff black smoke. At times the rail pressure at idle will fluctuate as the ECM attempts to control it. Only recently has the P0251 code appeared. This is not the common injector...
May 14, 2012
2005 Dodge Ram 3500 Truck SLT 5.9L Run Away VIN: 3D7LS38CX5
P0251: CP3 Pump Regulator Control. ... to run away after letting of the throttle. The engine will also run rough and puff black smoke. At times the rail pressure at idle will fluctuate as the ECM attempts to control it. Only recently has the P0251 code appeared. This is not the common injector...
May 20, 2012
2006 Mitsubishi Fuso FE140 FE84D 4.9L Hesitation, Surge VIN: JL6BBG1S66
P0251: Difference between target and actual fuel pressure too great after repair. Vehicle goes into limp mode and sets P0251 after about 2 city blocks worth of driving.
May 29, 2012
2005 Dodge Ram 3500 Truck SLT 5.9L Run Away VIN: 3D7LS38CX5
P0251: CP3 Pump Regulator Control. ... to run away after letting of the throttle. The engine will also run rough and puff black smoke. At times the rail pressure at idle will fluctuate as the ECM attempts to control it. Only recently has the P0251 code appeared. This is not the common injector...
May 14, 2012
2005 Dodge Ram 3500 Truck SLT 5.9L Run Away VIN: 3D7LS38CX5
P0251: CP3 Pump Regulator Control. ... to run away after letting of the throttle. The engine will also run rough and puff black smoke. At times the rail pressure at idle will fluctuate as the ECM attempts to control it. Only recently has the P0251 code appeared. This is not the common injector...
May 20, 2012
2006 Mitsubishi Fuso FE140 FE84D 4.9L Hesitation, Surge VIN: JL6BBG1S66
P0251: Difference between target and actual fuel pressure too great after repair. Vehicle goes into limp mode and sets P0251 after about 2 city blocks worth of driving.
May 29, 2012