Webfreightliner obd/obd2 codes >> dd15 ghg14 mcm2. 1 fault codes.


Mcm2. 1 fault code description ghg14:


Intake throttle position deviation error:


Intake manifold pressure too high troubleshooting:


Webfor the dd15 and dd16:


Refer to section removal of the dd15 and dd16 exhaust gas recirculation valve.


If no problem is found, reconnect the egr valve actuator pull.


Engine derates by 10% when active.


This fault code sets.


Webfor the dd15 and dd16:


Refer to section removal of the exhaust gas recirculation valve actuator pull rod.


However, the actuator should not.


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