Scania fault code 4661
Code 4661 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Unit injector for cylinder 3
The level in the reductant tank is very low.
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AMS
Reductant tank, reductant level too low
The level of reductant in the reductant tank is low.
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EEC Exhaust Emission Control
Reductant tank
The level of reductant in the reductant tank is low.
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