Doc18
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Code - !5004- 14 / M136
in Mack Truck Q & A
Posted · Edited by Doc18
Needing help with answers, More information given
What does this error Code - !5004- 14 / M136 mean?
Sometimes lighting bolt comes on and it feels like power is being robbed from engine.
What could be the cause of it? Fuel filters have already been changed once in past month. What does the !5004-14???