engine temp
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engine temp
changed water pump and added anti-freeze and water, started engine and let warm, as the temp hand went up added more water, noticed the engine temp light came on, temp hand went back to normal but the light stayed on. engine never over heated or radirator boiling so not sure. let set for about three hours started it again temp light still on. any idea why it's not going off.
Cargo Master
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From: back in SE Iowa
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thats the one i found. does the senor for the light work off a different one? getting this truck ready to sell. it's a 90 E-350, old ambulance, now flat bed. hate working on it, no room
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Post Fiend
Joined: Nov 2003
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From: Nutter Fort, WV
Both temp sensors are on the drivers side of the engine.
The one in the head is for the temp light.
The one in the block in front of the head is for the gauge.
The temp switch by the thermostat is for timing advance and fast idle only.
The one in the head is for the temp light.
The one in the block in front of the head is for the gauge.
The temp switch by the thermostat is for timing advance and fast idle only.
Lead Driver
Joined: Dec 2006
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From: So. Jersey
Just by unplugging the sensor in the head (the one that operates the light) should make the light go out. If the light stays on, the circuit is grounding out somewhere. If the light does go out when unplugged, then I'd say it's a faulty sensor.
Of course this is all based on an engine that's not over heated at the time of the test.
Of course this is all based on an engine that's not over heated at the time of the test.
Post Fiend
Joined: Nov 2003
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From: Nutter Fort, WV
You might try unplugging the connector and plugging it back in a couple times.
Every time I was my engine, I have to do that with all my electrical connections on the gauges.
Best option though is a mechanical gauge with real numbers.
How hot is N or O or M or A or L?
Nobody really knows.
Every time I was my engine, I have to do that with all my electrical connections on the gauges.
Best option though is a mechanical gauge with real numbers.
How hot is N or O or M or A or L?
Nobody really knows.
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TheBigGreenMachine
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