Question about 1997 Chrysler LHS

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When i plug my water sencer cable in to the actual sencer the fan

When i plug my water sencer cable in to the actual sencer next to the thermostat the fans wont come on but if i unplug it the fans come on.

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The sensor is no good,they come on when it is unplugged because the computer does that to protect the engine from overheating if it sees nothing from the sensor,so replace the sensor and that should fix your problem,hope this helps

Posted on Sep 05, 2009

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1 Answer

Where is sencer that is supposed to turn fan on


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It will have at least 2 wires in a plug , may even have 4 wires and the plug is square shaped
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Oct 06, 2014 | 1999 Oldsmobile Cutlass

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Okay i have a '89 ford f150 4x4 standard single cab short wheel base with a 302 & i just replaced the thermostat 180 degrees & replaced the fan clutch because thermostat stuck & fan clutch was bad & it ran...


Its possible that you got a faulty thermostat that is actually sticking open and not allowing the water to actually heat up to temperature. Try checking the heater and see if you actually have heat. If not, I would start there and purchase another thermostat. It's the cheapest route and I have purchased bad ones myself.

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Your problem is the coolant temperature sencer is bad this will cause the car to overheat or false read it's over heated change that and and you should be ok from there remember saturns have two Sencers so finding the right one could be a problem

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Not all new thermostats are actually working thermostats.It may require a second one.However,if the fan does not work it will be hard to tell.Is there a fan belt running to it?The goop that was added to it could actually plug up the the rad coils or rods and make it extremely hard to cool itself.It needs to be flushed.

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That may help. Also check for fouled plugs. Also check the fuel pressure regulator on fuel rail, check for vacuum at the regulator.

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