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Fuel pump not engaging

1 reading
16K views 16 replies 7 participants last post by  SCHMIDTY  
The ECM turns the pump off after a 3 second run when the ignition is turned on. After the engine starts the pump comes back on. 5 volts is the system reference voltage.
Check for stored DTC codes, the procedure is a sticky in the electrical section of this forum.
Yea I'm getting a code bt117 fuel pump output shorted high it won't clear and I'm getting the 5v reference voltage but no 12v any time to run the pump