Question about 2003 Toyota 4Runner

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2003 Toyota 4runner dies and won't re-start easily

2003 4runner 4WD Limited. Dies when running - especially when idle at a stop light/sign. Engiine will re-start only after several attempts of turning the key. Acts as if dead battery - does not crank or click when turning key. After several attempts it miraculously starts and will run for several miles with no problems. Occasionally also will not start - same problem of no cranking/clicking - after sitting for several hours. In all instances, all electrical is on and operable (lights, radio, power windows, moonroof, etc.).
Toyota dealer shop says ''might'' be caused by a bad "Body CPU" that needs to be replaced - but not a gaurantee this will fix problem?!?!?

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  • Anonymous Dec 12, 2008

    Hello,



    I have a 2002 Forerunner SR5. Last week, after starting the vehicle the VSC OFF/VSC Track lights came on. Also, I noticed that the engine idle became weak as well. The engine also dies when I was driving in slow traffic. Please share your comments.



    Thanks

    Harsha

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CHECK FOR SIGNS OF MICE IN AND AROUND THE FUSE BOX AND AIR CLEANER AREA. SOUNDS LIKE A CHEWED WIRE OR 6

Posted on Nov 27, 2008

  • Doug Apr 16, 2012

    I bought my 2003 T4R new and never had any problems. Starting last year, I began having trouble with it because it would start just fine, then it wouldn't start at all. No starter, no turning over, nothing. After time passed, it would start just fine but later that day or the next day it would leave my wife stranded (not good). I replaced the battery but that didn't fix the issue. The behavior was so sporadic I didn't want to take it to the dealership because I knew they wouldn't be able to fix it or make it fail. I read in these forums that replacing a relay in the fuse box would fix the problem so I bought a new one ($80) and replaced what I thought was the failing relay. A few days later, it failed again in our garage so I asked my wife to open the hood to make sure the relay was seated correctly. As soon as I touched the fuse box cover under the hood it started. I opened the fuse box and re-seated the relay but it was in tight. As I began pressing the other fuses, the 4Runner sputtered and stopped. I asked her to try it again and I pressed the other fuses and it sputter and stopped again. This time, I saw a spark come out of the EFI fuse. I checked the fuse and it was good but one of the pins was bent inwards. I replaced the EFI (10) fuse and it stopped sputtering. I removed the EFI fuse and it had the same behavior we were having (no starter, no turning over, nothing). I'm thinking the fuse was losing contact when the vehicle warmed up. Either way, we have not had the starting problem again. I hope this helps someone who may have this problem. If anything, it may save you the money of needlessly purchasing a costly relay.

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http://technoanswers.blogspot.in/2012/01/car-stalls-when-maf-sensor-is-connected.html

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http://schematicsdiagram.blogspot.in/2012/04/1992-chevrolet-stalls-and-shutdown.html

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http://schematicsdiagram.blogspot.in/2012/03/stumbling-and-stalling-at-idle-after.html

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http://technoanswers.blogspot.in/2012/02/1990-mazda-323-stalls-and-quit-running.html

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http://whatisbyme.blogspot.in/2012/05/2000-toyota-camry-idling-and-stalling.html

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-----------1992 Chevrolet stalls and shutdown? http://schematicsdiagram.blogspot.in/2012/04/1992-chevrolet-stalls-and-shutdown.html
-----------Dodge Dakota stalls, stumbles at idle. Has low fuel flow and runs hot? http://schematicsdiagram.blogspot.in/2012/03/dodge-dakota-stallsstumbles-at-idlehas.html
------------Engine stalls when gas is given? http://technoanswers.blogspot.in/2012/01/engine-stalls-when-gas-is-given.html
------------1990 mazda 323 stalls and quit running? http://technoanswers.blogspot.in/2012/02/1990-mazda-323-stalls-and-quit-running.html
------------Nissan Pathfinder stalls and bucks on Acceleration? http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html
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-----------
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