Question about 2007 Toyota 4Runner

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Accessories Fuse Blows at Cold Start

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?

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  • 188 Answers

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

  • 104 Answers

SOURCE: the audio/clock fuse blew and every time I replace the 15w fuse it blows

i would try to unplug the clock and the radio change the fuse and see if the fuse blows.

Posted on Apr 30, 2009

  • 1 Answer

SOURCE: 93 corolla 1.8 No start Blown ignition fuse

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

  • 6982 Answers

SOURCE: 2003 Corolla Winter Cold Start Issue

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

  • 16 Answers

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

  • 1 Answer

SOURCE: EFI 15 amp fuse keeps blowing, any suggestions?

Check your line for your o2 sensor it could be getting to hot from the exhaust and blowwin the fuse that was my problem

Posted on Jul 21, 2011

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Hello,

There may be water mixed with your fuel. water + cold = frozen fuel. Get some HEET from a local gas station to remove water from your fuel during the cold months.


If your car is Diesel it maybe that the Glow Plugs are not working.


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