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2005 Toyota 4 Runner Questions & Answers
Why does engine switch off after idling for short while 3vz engine
In a 2005 4Runner it is still a 3VZ ? Fascinating, long may it live, good engine.
I'm assuming you mean the vehicle drives around OK but dies when hot, at idle. If you mean it dies when cold, after starting, that is different.
A 3VZ can do this due to (somewhat in order of liklihood)
- clogged IAC valve
- water in the ignition parts
- a vacuum leak in the intake manifold parts
- clogged fuel filter
- clogged air cleaner
- worn or incorrectly gapped plugs
- worn timing belt (it is a non interference engine)
.
My 2005 Toyota 4runner with a v6 will not start when the temp gets below 32 outside what could be my problem
There could be several reasons why your engine will not start. When you first turn the key to the On position (without starting the engine), the lights on your dash should illuminate. The yellow Check Engine light should come on, at least for a few seconds. If not, then you are not getting power to your engine computer. Perhaps the fuse is loose. Locate the Engine fuse in the cabin fuse panel and wiggle it while watching the dash lights. When the Check Engine light illuminates, you should be able to start the engine. If not, then it is time to check for spark. You can remove a spark plug, install a jumper between the ground electrode and the engine block, insert the spark plug securely into the spark plug boot, and have an assistant crank the engine. If you see your spark plug firing, then you can assume you have a fuel delivery problem. Have the system pressure tested. You may have a weak fuel pump.
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