New 80 owner here who needs help.

[80s4life]

New 80‑series owner here. I just got my first 96 Land Cruiser, and I’ve been wanting an 80 for a long time. The truck is in good condition overall, except for the high RPM at idle. Here’s what I’ve done so far: cleaned the MAF, checked the air intake for cracks, replaced the spark plugs, verified that both O2 sensors appear to be functioning properly, and checked the gas pedal cable. I’m running out of ideas, so I need your tips and suggestions.

 

[reklund5]

Have you verified the throttle plate closes fully at rest? Have you confirmed there are no vacuum leaks and the EGR is functioning properly?

 

[devo]

What year 80? Where are the photos?

Gotta check your TPS and IACV

 

[landtank]

Have you verified the throttle plate closes fully at rest? Have you confirmed there are no vacuum leaks and the EGR is functioning properly?

Look at the throttle cable sheathing. If at all cracked replace it. It’s common for the cable to stick inside those.

 

[80s4life]

Have you verified the throttle plate closes fully at rest? Have you confirmed there are no vacuum leaks and the EGR is functioning properly?

I'm new on 80. I need to figure out how to do what you said. thanks

 

[80s4life]

Look at the throttle cable sheathing. If at all cracked replace it. It’s common for the cable to stick inside those.

I will check that.

 

[80s4life]

What year 80? Where are the photos?

Gotta check your TPS and IACV

I cleaned the IACV and checked the TPS because I need to figure it out how to check it. thanks

 

[Malleus]

Cleaning the IACV isn't one of two operating tests that you have to make. Check the service manual. I doubt that's the problem, though. A faulty valve usually sticks closed, resulting in a low idle.

Personally, I'd start with the throttle plate (butterfly).

 

[Tim Herald]

Throttle Position Sensor and cleaning IAC valve just took mine from 1400-1500 rpm in park and 1000-1200 in D down to 650-700 in drive. Also replaced a bunch vacuum hoses before, that had little effect though they needed to be done.

 

[TheBussman]

lots of good things to check here but vaccum leaks are another common one. still need to know what year to help you better.

 

[ppc]

Still haven't stated the model year or any details of this happens on cold/warm startup or always? What are the exact RPMs?

 

[80s4life]

Still haven't stated the model year or any details of this happens on cold/warm startup or always? What are the exact RPMs?

its 96 LC . Idle RPM close to 2700

 

[ppc]

its 96 LC . Idle RPM close to 2700

If you want help you're going to have to provide more information, better and more complete answers to ALL the questions. Every post made you've failed to do that.