84-85 Trucks & 4Runners 2nd gen pickups and 1st gen 4Runners with solid front axles

1985 22re throttle body

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Old Aug 10, 2022 | 04:22 AM
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AFricks88's Avatar
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From: North Ga
1985 22re throttle body

Does anyone have a diagram or pics of where the all the hoses on the throttle body go? I have bought an 85 pickup that was half took apart I’m trying to get running. I have deleted the egr already. It will not start and I can see some of the hoses are off the throttle body. Thanks
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Old Aug 10, 2022 | 11:37 AM
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From: Chiloquin, OR
Was there a diagram in the upper left (when the hood's open) corner of the hood?

To get the right diagram for you, we need to know if it's regular emissions, California, or Federal. What is your trim? SR5, DLX, that kinda thing.

Several of the vacuum lines go to the EGR system. Have you identified which ones those are, and capped them off? IIRC, the three at the front, where the TPS and butterfly valve are, go to the EGR.
There are two on the side that go to the power steering system, and a valve screwed into the side of the TB. It has a large screw knob on it. They are larger diameter than normal vacuum lines.
There are the two hoses for the PCV valve, one from the valve to the TB towards the rear, the return line is in the front. They are both much larger than regular vacuum lines, and it's best to use the preformed ones from Toyota.
There are two attached to the triple vacuum line adapter in the rear of the TB, one goes to the VSV for the fuel pressure regulator, and one to the canister that the feeds back to the tank. It allows the pressure to vent out of the tank, without putting the fuel vapors into the atmosphere. The vacuum line allows the canister to vent, and flush the fuel vapors caught in the charcoal into the throttle body and get burned up in the cylinders.
If you have cruise control, I believe, the third vacuum port goes to the actuator, otherwise it's capped.
There's a large hose that feeds the brake booster.

Those are what I can remember from the 87 4Runner I used to own. I'll see if I can find a diagram for an 85. Still need to know about Federal, California etc emissions.

Hope it's some small help....
Pat☺

Here's a picture I found. It might help a bit:



Last edited by 2ToyGuy; Aug 10, 2022 at 12:12 PM. Reason: Found a pic
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