Antifreeze and Engine Coolant
Ford Explorer
Buick LeSabre

How do you fix a coolant temperature circuit low input problem on a 1999 ford Explorer?

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2006-06-08 12:36:59
2006-06-08 12:36:59

That definition means that for some reason the PCM is seeing a low input from the ECT sensor. That could be sensor problem, a wiring problem, or a PCM problem, but the most likely problem is that the truck is actually running too cold. That could be a stuck open thermostat, or an incorrect temperature thermostat installed.

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Trouble code P0116 means:Engine coolant temperature circuit range/performance problem

Trouble code P0116 means:Engine coolant temperature circuit range/performance problem

Trouble code P0116 means: Engine coolant temperature circuit range/performance problem

code 15 is coolant temperature circuit {low temperature} Im also trying to source exactly what this problem equates too as im currently trying to help a friend with the same code problem on his 1994 astro awd !

Have you checked your temperature? There are two sensors one is for coolant level, and other is for temperature. First make sure your not over heating, then disconnect your coolant level sensor located on your coolant tank, and disconnect it. If light goes out, this may be your problem. Although I am not one hundred percent sure this would work as way of testing, because the circuit for level sensor may only come on when circuit is broken. This means you would have to do a jumper wire in the plug for level sensor, and see if light goes out.

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Overheating is due to, well, the coolant in the cooling system getting too hot. In a normally operating engine, this should never be a problem. First, check that the coolant level is correct. If it is correct, I would suspect a problem with the thermostat. When the engine is cold, the thermostat closes off coolant flow through the engine until the coolant reaches a pre-determined temperature. When that temperature is reached, the thermostat opens to allow the coolant to circulate at that exact temperature. Thermostats are known for failing and either not opening or not opening enough at that pre-determined temperature. This causes coolant to get trapped too long in the engine coolant chambers, heating it beyond limits, causing the engine temperature to increase and possibly overheat. If my Maxima was overheating, I would check the coolant levels and then possibly replace the thermostat. It usually is no more complicated than that.

your coolant is low.......this happens when you are idle and then once you start moving it goes down......fill your coolant to the top and itl fix this problem

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