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Discussion Starter #1
Check engine light came on after I passed someone. Plugged in a scanner and it said. Cylinder 1 injector circut low... Or something like that.
Someone explain to me please. Truck drives just fine still
 

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Discussion Starter #2
06 f250 fx4 if it makes any difference
 

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Captain Negativity!
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FICM does a circuit check of the injector. Open coils produce low current which sets the injector circuit low codes. It's giving you a heads up that it has seen a problem in the circuit at one point.
 
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