B18c1. I just changed the head and head gasket and my check engine light is on. What sensors do I check?

The radiator fan is not working either...B18c1. I just changed the head and head gasket and my check engine light is on. What sensors do I check?without knowing year make model etc most of the modern computer controlled cars will turn the light on if the fan is disconnected so start there,
B18c1. I just changed the head and head gasket and my check engine light is on. What sensors do I check?
a scan tool would help.......



how else would you know which sensors to check?



as for the fan, have you checked the fan switch? and is it even connected/working?



**i dont think it matters what kind of vehicle he/she has. since he probably swapped in a different motor other than stock....which is why he mentioned the engine code-of a Honda.
B18c1. I just changed the head and head gasket and my check engine light is on. What sensors do I check?
I need to know what kind of auto you have. You can start by checking your coolant temp sensor, It is a two wire sensor.

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