Question about 2007 Toyota 4Runner
In my 2007 4Runner, every time I start the car when the temperature outside is below freezing the 7.5 amp accessories fuse blows. It only happens when it's below freezing outside. I can replace the fuse and it will be fine until another cold morning comes along. When the fuse blows, my radio, dvd player, and light on the information panel no longer work. Any ideas on what the issue could be?
I Would Have an auto parts store scan your OB2 Connection for codes on that issue !! Then go from there!!
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Posted on Aug 09, 2017
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Posted on Jan 02, 2017
I had a prolem like this one time a while back. what i did was got the wiring diagram and checked everything that was running through that 30 amp fuse. on the one i was working on it ended up being an injector wire pinched under the valve cover and it didnt short out till the car was driven til it warmed up and expanded after the valve cover gasket was changed. hope this helps!
Posted on Jun 27, 2009
Don't have a good answer to your problem but the items I'd change would be the coolant temp sensor and the manifold air temp sensor if yours has one. Both will influence the condition you have posted. Also, the rpm's you noted are on the high side of safe on normal cold starts but because in extreme cold the engine oil takes a while to get where it needs to be, I'd consider using a good synthetic. It flows easier and stays on parts without draining off, giving a bit more protection.
Posted on Sep 17, 2009
SOURCE: EFI fuse Keeps Blowing
I had the same problem at one point. My issue was a bad grounding point from the battery to the chassis. I would say check all of your grounding points.
Posted on Nov 10, 2009
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