Question about Ford Econoline
Simple solution try another sensor
measure the temp when the gauge reads hot and compare
Posted on Oct 16, 2013
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Posted on Jan 02, 2017
Since there is no voltage applied with the ignition off, if the gauge is not dropping down all the way, it is the gauge that has failed.
Temperature sensors are frequent failures but they are not active when the car isn't powered up. They can be intermittant, high, low but with no power, the gauge itself should go to the minimum.
Posted on Jan 19, 2009
SOURCE: My 2001 chevy venture van
Make sure you have gotten all the air out of the system by running the car with the cap off for a bit.. also make sure the radiator overflow if at proper level.. next look at your radiator and see if it is plugged up with trash bugs what ever this will slow your cooling big time.. also look between your radiator and your air condition condensor and make sure its clean also there can be trash in there causing it to heat .. also check belts make sure they are tight.. really sounds like you started with air in system and system might be air locked needing to run a bit with cap off when cool. dont take cap off when hot ... make sure over flow is full also... thanks and holler if you need more. Jerry
Posted on Apr 22, 2009
Probably the temp gauge itself. Most of the time it doesn't have a problem but sometimes they do go bad. Did the car ever overheat prior to changing the solenoid?
Posted on Jul 30, 2009
Firstly - DO NOT run engine, when guage reads hot, as this will cause costly damage to head gasket & alloy engine head.
The fact that guage takes 1min to read HOT, would confirm the guage IS working properly.
So, other components which are likely to cause hot readings (in this order) are:
- lack of coolant (or leakage somewhere): is there sufficient green coolant at the correct level? Top up mixture to correct level. Repair any leaks.
- collapsed radiator hose: when engine is cold, start engine, then quickly watch both upper & lower radiator hoses to see if either begins to flex inwards (collapse). Replace if either hose is collapsed.
- bad/incorrect thermostat rating : when replacing thermostats, you must ensure it is of the SAME temp rating (they all differ).
- Incorrect Temp sensor rating: the ratings of this sensor must be within manufacturer's spec's.
- bad waterpump: the engine relies on the waterpump to distribute the coolant throughout the entire system. If waterpump is faulty, coolant will not flow quick enough, causing overheating.
If you still believe all of the above components are OK, then have your cooling system "pressure tested". This test should be done, before looking further at other electrical components.
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Posted on Jan 27, 2010
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