2006 Hybrid Engine code P0128 Engine Coolant...........

civiczombie

New Member
Engine light came on today when my gf got off of work. Came home took it down to the closet chain store to pull the code and P0128 came up which is engine coolant low / not reaching optimal temp range. Car got up to temp fine stayed there didn't move on the way there or back also coolant level was good not low. Guy at the store said in weather like we have been having, 70 4 days ago snowing today high of 40. Anyways anybody have any info on this, I know what it could be thermo, bad fan or someother switch. But could it be cause of the weather being so cold so quick and I should just reset the ecu and see if it comes back on.
 

00siboy

lurkin...
Registered VIP
Usually that code is a thermostat opening too soon. Could be a temp sensor problem too but I would recommend replacing the thermostat is its still the original.
 




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