Question about 2002 Ford E250

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2002 ford e250 5.4. engine temp gauge giving false reading. drove 10 min. went to store came back 5 min. started van and temp. gauge pegged at highest level. realized engine was fine drove home, 2 blocks from home everything switches to normal. could this be a temp. sending unit problem?

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  • Ford Master
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Well, it can be a sending unit issue, they are pretty inexpensive, so worth while to just replace it. Do be aware that the temprature DOES normally do what you describe. The condition is called heat soak, where the temp goes pretty high, due to no water circulation, after shutdown. This is normal and some vehicles run fans after shutdown to help. Usually not an issue with properly functioning cooling system that can hold pressure.

Remember the coolant recovery tanks? Their purpose was to recover teh small amount of coolant pushed out during heat soak.

Posted on Sep 28, 2010

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