Really high idle?

Tiny
JTEMPLE105
  • MEMBER
  • 1995 PONTIAC FIREBIRD
  • 3.4L
  • V6
  • 2WD
  • AUTOMATIC
  • 126 MILES
Firebird idles at1800 rpm I changed iac and tps and cleaned throttle no ai leaks can anyone help
Wednesday, April 8th, 2026 AT 12:10 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 55,361 POSTS
The first thing I would do is check the floor mate on the drivers side. Next, I would disconnect the throttle cable. If this does not make difference check the EGR valve for internal leakage, here is a video to help.

https://www.youtube.com/watch?v=DqUCbbKdWf4

Also, please go over this guide as well

https://www.2carpros.com/articles/engine-idles-too-high

Please upload a short video in your response of the problem, so I can see what's going on :) Ken

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Thursday, April 9th, 2026 AT 6:41 AM

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