View source for 19499/P3043/012355

== 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
 

[[Category:Fault Codes]]