Scania fault code 8742
Code 8742 is used by 5 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Atmospheric pressure sensor
Atmospheric pressure sensor provides an incorrect signal.
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EMU
Water valve V194, feedback signal, position error
The water valve has reported position fault to the control unit.
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EMD
The internal atmospheric pressure sensor in coordinator E30
Atmospheric pressure sensor provides an incorrect signal.
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EME
Combined sensor T4000
The combined sensor provides an incorrect signal for the intake air pressure.
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EMO
The internal atmospheric pressure sensor in coordinator E30
Atmospheric pressure sensor provides an incorrect signal.
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