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Lubricating Throttle Speed Cable- 3vze

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Old 03-04-2020, 04:28 PM
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Lubricating Throttle Speed Cable- 3vze

I noticed after driving my 4runner (3vze) a couple of times yesterday it was getting increasingly hard to accelerate, as in, I would press the gas pedal it felt like somebody put a block of wood behind the pedal. So I popped the hood and toggled a bit, started to unmount the cables, and realized my auto speed cable is stiff and will only extend with a good amount of pressure and wont go back very easily once it does.

I've seen two questions on actually lubing them. One saying you can't and the other went unanswered so I'm asking if its possible and how to lube an auto speed cable?

Is it as simple as getting the proper lube and spraying it down the rubber sleeve?
Old 03-04-2020, 05:00 PM
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don’t change the text color from default. makes it very difficult to read.
Old 03-04-2020, 05:05 PM
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It wasn't changed. I copied and pasted after accidentally posted the wrong thread. Thanks
Old 03-10-2020, 09:54 AM
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Removed fancy color formatting.

Originally Posted by Ralphthe4runner
I noticed after driving my 4runner (3vze) a couple of times yesterday it was getting increasingly hard to accelerate, as in, I would press the gas pedal it felt like somebody put a block of wood behind the pedal. So I popped the hood and toggled a bit, started to unmount the cables, and realized my auto speed cable is stiff and will only extend with a good amount of pressure and wont go back very easily once it does.

I've seen two questions on actually lubing them. One saying you can't and the other went unanswered so I'm asking if its possible and how to lube an auto speed cable?

Is it as simple as getting the proper lube and spraying it down the rubber sleeve?
Yes, could be as simple as lubing unless you have frayed wire cable inside (unlikely)
Try:
1)Disconnect cable from throttle,
2)raise end as high as possible,
3)Spray/drip silicone into cable
4)give silicone time to flow into cable

Last edited by RAD4Runner; 03-10-2020 at 09:56 AM.
Old 03-10-2020, 12:01 PM
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Had a problem as I applied the accelerator/throttle pedal the RMP would remain at that point and not return to idle. I removed the throttle cable at the throttle body, held the cable up and liberally applied lubricant with minimal results. Removed the throttle cable this a.m. 3/10 and found the cable is frayed at the bracket before it goes thru the firewall, now awaiting a replacement.
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Old 03-10-2020, 02:23 PM
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Originally Posted by lastcall
... found the cable is frayed at the bracket before it goes thru the firewall, now awaiting a replacement.
HAH! And I thought frayed cable is not common. LOL!
good u figured it out.
Old 03-10-2020, 02:50 PM
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Originally Posted by RAD4Runner
HAH! And I thought frayed cable is not common. LOL!
good u figured it out.
Probly not but after 30 years of use and abuse finding problem-solving can lead to a number of options and although members suggested I check out the throttle cable I spent more time checking the TPS and throttle body than it took removing the throttle cable. The replacement throttle cable has arrived, intend installing tomorrow 3/11 and then determine if I have solved the issue; looking at the frayed cable certainly would suggest it may be a factor??

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Old 03-11-2020, 01:04 PM
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Originally Posted by lastcall
..looking at the frayed cable certainly would suggest it may be a factor??
Most likely the cause.
Perfect testimony that our senses are the best troubleshooting tools for our trucks; We feel rough operation, we see damaged parts.
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