19499/P3043/012355

From Ross-Tech Wiki

19499/P3043/012355 - Fuel Pump: Mechanical Malfunction

Possible Symptoms

  • Malfunction Indicator Light (MIL) ON
  • Power Loss
  • Engine Stalling/Hard Starting

Possible Causes

  • In Tank Fuel Pump failure
  • Restriction in Fuel Delivery System
  • Fuel Pump Control Module (on systems with J538-Fuel Pump Control Module)

Possible Solutions

  • Check Fuel Pump
    • Check Mechanical Pressure and Volume
    • Refer to proper workshop manual for correct testing procedures
  • Check J538-Fuel Pump Control Module

Special Notes

  • TPI 2017024 has details about checking J538 software version.
  • J538-Fuel Pump Control Module is on top or near the in tank Fuel Pump