rmorse Posted January 22, 2015 Author Report Share Posted January 22, 2015 I don't think it's the thermostat, since the needle moves pretty fast when it "fixes" itself. Link to comment Share on other sites More sharing options...
Yellow95 Posted January 22, 2015 Report Share Posted January 22, 2015 I don't think it's the thermostat, since the needle moves pretty fast when it "fixes" itself. Exactly why I think its a sticky thermostat. stays closed then pops open. You just save that $9 and do that last then but when you find that to be the cause you have to let me "I told you so" you. G Link to comment Share on other sites More sharing options...
erikv11 Posted January 22, 2015 Report Share Posted January 22, 2015 So why couldn't it be a sticky thermostat? edit: what Gary said Link to comment Share on other sites More sharing options...
Fudge_Brownie Posted January 22, 2015 Report Share Posted January 22, 2015 Exactly why I think its a sticky thermostat. stays closed then pops open.Wouldn't the needle drop when the sticky thermostat finally opens? The temp sensor is on the block side, not the radiator side, of the thermostat. When it opens, the water circulating in will be cold from the radiator, not warm to jump the needle up. Link to comment Share on other sites More sharing options...
Yellow95 Posted January 22, 2015 Report Share Posted January 22, 2015 Wouldn't the needle drop when the sticky thermostat finally opens? The temp sensor is on the block side, not the radiator side, of the thermostat. When it opens, the water circulating in will be cold from the radiator, not warm to jump the needle up. Good point. Could be sticking open. I still think its the thermostat. G Link to comment Share on other sites More sharing options...
NEU Posted January 22, 2015 Report Share Posted January 22, 2015 I'd swap the T-stat too, it's cheap and easy to fix. Get the Super Stant it's a better design then the old OEM style, that has been used on red and white block cars. I find the old OEM style would go within 5yrs. I'm on 5 years on the Super Stant and still going strong. Link to comment Share on other sites More sharing options...
rmorse Posted January 23, 2015 Author Report Share Posted January 23, 2015 If it was sticking open, I wouldn't have had heat in the 20 degree weather But yea, I'm going to swap both Link to comment Share on other sites More sharing options...
troyhyde Posted January 24, 2015 Report Share Posted January 24, 2015 Gonna buck the trend here and say it is your dash display/temp gauge. Give it a thump about half-way to 5 minutes. I can't imagine any scenario where the car would drive normally with an ECT reading ice cold then snap to normal operating temp.. I would expect the car to be dumping fuel into the engine to correlate with the ECT information, it would be like riding a donkey on acid for 5 minutes. You could have a looky with an OBD scanner plugged in that will show you the live values. Only time I've ever seen a jump like that on a functioning system is when there was a giant coolant system air bubble from a recently purged system. Air is not going to read real warm until displaced by coolant. As for the argument about parts quality.... consider the concept of "false economy". The aftermarket offerings for our cars are horrible with very few exceptions. Creative shopping will get you OEM for barely more outlay than whatever is being pushed by FCP China this week. Link to comment Share on other sites More sharing options...
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