Found culprit, now why
#1
Found culprit, now why
So my car has been dropping rpm's every few minutes or so or sporadically when stopped. Nothing erratic, just falls from normal (about 750/800) down to around 400/500 and then pops back up. I just realized this happens every time the fan kicks on.
What would cause this? Is my fan about to go? How do i fix it?
What would cause this? Is my fan about to go? How do i fix it?
#2
MIne does the same thing. The fan will come on for roughly a minute, and then go back off. It will do that every few mins. I wouldn't think it would be the fan, as I just replaced mine about a yr ago. I just try to live with it. Hope you can find an answer.
#4
Thanks dudes.
Somebody on another forum mentioned that I should get my alt checked out. Gonna test that today (original alt with 120K+, 7 y/o).
Also heard that maybe it is the IAC but I am pretty sure I checked that out a few months ago and it was good.
I'll report back with details as they come...
Somebody on another forum mentioned that I should get my alt checked out. Gonna test that today (original alt with 120K+, 7 y/o).
Also heard that maybe it is the IAC but I am pretty sure I checked that out a few months ago and it was good.
I'll report back with details as they come...
#5
just take out the IAC and clean it out thoroughly with carb cleaner. if that makes the problem almost completely vanish, then thats the problem. i would still suggest replacing the IAC, but cleaning it would be a good temporary fix
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KingRando
2005-2014 Mustangs
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10-02-2015 08:06 AM