4runner over reving
Submitted: Thursday, May 03, 2007 at 17:04
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45060
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5
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Kata
Afternoon all,
Driving along all is fine until you pull up and stop and take the V6 4runner out of gear(manual)
Car revs up to to about 1200-1600 not every time most times
Tap the accelerator and the revs drop back to normal6-700
Any suggestions?
Kata
Reply By: Member - Troll 81 (QLD) - Thursday, May 03, 2007 at 17:09
Thursday, May 03, 2007 at 17:09
Sounds like the cable is getting stuck somewhere....my old hilux used to do that sometimes and there was sand int he cable
AnswerID:
237688
Follow Up By: Kata - Thursday, May 03, 2007 at 20:59
Thursday, May 03, 2007 at 20:59
Gday Troll 81,
It will happen more so when the car is warmer and will happen 3/4 of times minimum.
How do I
check if its sand or dirt etc.
How do I clean?
I have already cleaned throttle body inside.
Kata
FollowupID:
498819
Reply By: samsgoneagain - Thursday, May 03, 2007 at 21:03
Thursday, May 03, 2007 at 21:03
spray crc on choke throttle
AnswerID:
237757
Reply By: hiab - Friday, May 04, 2007 at 00:52
Friday, May 04, 2007 at 00:52
buy a diesel
AnswerID:
237802
Reply By: madcow - Friday, May 04, 2007 at 07:35
Friday, May 04, 2007 at 07:35
didn't they have a throttle stop dampener? Have a lookk there it may be sticking a bit or not working as it should! I used to own one and am sure
mine had one on it
AnswerID:
237816
Reply By: gav99x - Friday, May 04, 2007 at 09:26
Friday, May 04, 2007 at 09:26
Does yours have an air by pass valve for cold start up's? On my Jackaroo it has an air by pass canal on top of the throttle body, with a stepper motor in it (I think this is what it's called). When you remove the stepper motor it has a shaft with a spring on it, and ends in a cone shaped piece of metal. Basically the computer controls it, and the shaft moves in and out, causing the cone part to fit into a
seat in the throttle body. Apparently this lets more/less air through to aid in cold start ups.
Sorry for the dodgy explanation but I'm no expert and am retelling what was told to me.
Aaaaanyway, upshot is the shaft/cone gets carboned up over time, which causes the stepper motor to stick, and consequently the engine to rev similar to what you describe. Every 30000k or so, I just pull it out (2 torx bolts), and clean any carbon deposits off with carby cleaner - all fixed.
AnswerID:
237837