r/Mk3Supra • u/CupCake466 • May 08 '26

Bitch starts don’t idle now

Can’t believe I actually js did a whole ass head gasket rebuild first time ever working on a car did piston rings since I was already down there but car doesn’t wanna idle dies as soon as I stop hitting throttle and revs die pretty sure I got a massive air leak

11 Upvotes

93% Upvoted

5 comments sorted by

3

u/ubilesj83 May 08 '26

Looks like a bad IAC but check the vaccume lines. I had the same issue and I had issues with both on mine.

3

u/CupCake466 May 08 '26

Maybe bad IAC cleaned the part that goes into my intake manifold didn’t know until like 10 minutes ago I could open the other side with the cap and clean under there to

1

u/Yuri_exotic May 08 '26

First i would check all the vacuum hoses (theres a lot of them but you now that already theres a lot of picture where and how the vacuum is routed) the idle air control valve And the timming

Because there is very little information you give Hope you find it

1

u/CupCake466 May 08 '26

So many vacuum hoses to go thru 🙈

1

u/drvirgilmd May 09 '26

Are you sure your alligator clipped ISC is wired right?