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P1287 VP44 Injection Pump Controller Supply Voltage Low

(0 reviews)

By Mopar1973Man

· 5,268 views

DTC P1287: FUEL INJECTION PUMP CONTROLLER SUPPLY VOLTAGE LOW

Monitor & Set Conditions

Fuel injection pump controller supply voltage is monitored when ignition is on. DTC may be stored if low voltage exists.

Possible Causes

  • Charging System Not Operating Properly

Testing

Check that charging system is operating properly. If charging system operates properly, test is complete. If charging system does not operate properly, perform CHARGING SYSTEM test under MISCELLANEOUS CONTROLS in SYSTEM & COMPONENT TESTING - RAM PICKUP - DIESEL article.

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