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Old 05-17-2009   #5
tpepmeie
 
Join Date: Aug 2005
Location: Fishers, IN
Posts: 812
Default Re: Fans come on with key in "on" position

Quote:
Originally Posted by XfireZ51 View Post
If the check sum has been disabled, fans will come on.
say what?

Usually if the fans are running and the idle is high, you've got a PROM error. I think a code 51, or something. A bad burn, or wrong checksum will cause this, or the prom not seated properly.

Is the check engine light on, or "sys" displayed in odometer window?

Todd
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