Dodge Truck and Cummins Turbo Diesel Forum Discussion of General Topics related to All Cummins Engines or Dodge Trucks

Broke down need help

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Old 10-05-2018, 10:22 AM
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Default Broke down need help

99 5.9 got codes p0253, 1689,1688, was driving up to speed and just shet off , help
 
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Old 10-08-2018, 10:47 PM
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Those codes pertain to the injection pump generally. Time to start a comprehensive diagnosis.

But, most likely it will be a failed VP44 injection pump. If you check fuel pressure, you will also likely find that the lift pump (low pressure supply pump) is not supply adequate fuel.
 

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