Been having an intermittent issue with the coolant temperature gauge reading 0, even tho the car is warmed up, and the cooling fans running on high. This seems to happen at random times (the car will start up and everything works fine, then half way through a trip the gauge drops to 0 and fans kick in). The issue will go away and the gauge will work (sometimes the same day or a few days later). CEL only comes on sometimes (the other day i drove 3.5 hours with a 0 gauge reading and fans running high with no CEL) but when it does come on it clears with a battery reset. Sometimes ill go weeks without an issue but over the passed few days its been happening more frequently.
Coolant levels are perfect, and I have changed the coolant temp sensor.
I have read on other posts that some are claiming that changing the thermostat fixed their problem and I think I will do this next.
My question is, if it is the t-stat why is the gauge reading 0 and wouldnt there be no heat in the cabin because i seem to have heat while driving?
Any help is appreciated, and as i mentioned ive read other posts on this and there seems to be no conclusive solution even tho we all have the exact same symptoms.
EDIT - forgot to mention it's 06 2.4L
Last edited by androoze; 12-16-2011 at 08:16 AM.