1997 Dodge Intrepid engine fan

CANDIGME

MEMBER
1997 DODGE INTREPID
6 CYL
2WD
AUTOMATIC
95,000 MILES

The engine fan does not come on during driving unless I turn on the heating system, thus causing the engine to over heat. I have had the sensor replaced and the temperature gauge still rises.

Wednesday, February 3rd, 2010 AT 5:26 PM

2 Replies

LEGITIMATE007

MECHANIC
5,121 POSTS

The engine coolant temp sensor is what will mostlikely be the problem, but as you have stated you replaced "the sensor", check the thermostat. It may be partially opened, not allowing the coolant to get hot enough to trigger the fan.

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Wednesday, February 3rd, 2010 AT 5:33 PM

CARADIODOC

MECHANIC
33,910 POSTS

Hi guys.

Also be aware there are two coolant temperature sensors. The single wire one is for the dash gauge. You want the two-wire sensor for the engine computer. If you unplug it while the engine is running, the fan should turn on. The Check Engine light will turn on too, but the diagnostic fault code will erase automatically after about 50 engine starts. The light will go off too when the sensor is reconnected.

Caradiodoc

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Monday, February 8th, 2010 AT 4:31 AM