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Radiator fan want turn off after ignition is killed 1999 dodge caravan 3.3 w ac

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If it never turns off either the fan relay is stuck on, or the temp sensor for the ECM is reading hotter than it should, (failed) or the pcm has a problem. Using a diagnostic scanner will eliminate two options. Rotating the fan relay with a look alike in the underhood fuse box will let you know if its a simple problem.

Posted on May 16, 2010

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Sounds like the relay is stuck on. sometimes they will burn and weld themselves on.

Posted on May 16, 2010

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1 Answer

I have a 1999 Dodge Caravan 3.0 engine if the water pump goes bad will that cause the radiator fans Not to turn on and the AC fan as well


its a common problem on dodge caravans

but check these you tubes first

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https://www.youtube.com/watch?v=_ZpHyY3IBnk

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Radiator fan unable to shot down


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I took my 99 dodge grand caravan to advanced auto and got a computer readout of p1491 as the error code. is this important and is this expensive?


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Some questions for you:
1. Is your Caravan overheating?
2. Is your Caravan water temperature spiking going past the midway point on the Temp Gauge before the radiator is engaged?
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1 Answer

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