Underheating engine
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Joined: Jul 2001
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Underheating engine
I have a 1.9L engine and it isn't heating well. The problem is the engine won't get to Normal on the temperature gauge. I figured since it was an older vehicle it needed a new thermostat. I replaced it tongiht and it did the same silly thing. Any one have any suggestions on what it could be?
I can get the temp in the Normal area of the gague by sitting at a high idle (3000 RPM) and sitting for about 5 mintues. I take it out on the road and it cools back down to where the needle is below normal. I need help! It is cold in Wisconsin!!!!
I can get the temp in the Normal area of the gague by sitting at a high idle (3000 RPM) and sitting for about 5 mintues. I take it out on the road and it cools back down to where the needle is below normal. I need help! It is cold in Wisconsin!!!!
Posting Guru
Joined: Jul 2003
Posts: 1,978
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From: Alvin, Texas.
I tried to replace the t-stat in my 94 2.3L truck, but I had to give up on that thought. I would get the radiator cap tested. If it doesn't hold pressure, you obviously won't get a temp increase, either.
My truck will warm up eventually, but idles crummy at cold start-up and smells a little rich. My t-stat checked out okay, btw....temp gauge works, but doesn't move muh past the left "\" mark well to the left of "NORMAL".
My truck will warm up eventually, but idles crummy at cold start-up and smells a little rich. My t-stat checked out okay, btw....temp gauge works, but doesn't move muh past the left "\" mark well to the left of "NORMAL".
Fleet Owner
Joined: Mar 2003
Posts: 24,724
Likes: 74
From: Blue Hill Township
Is it the 1.9 in an escort? With mine, the coolant change, and t-stat fixed it. The only real way to know if it is underheating, or if the gague is just off a little is to put an aftermarket water temp gauge in.
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