what is this ?
Thread Starter
Junior Member
Joined: Jan 2012
Posts: 42
Likes: 0
From: philly
Car: 87 iroc-z
Engine: 355 tpi
Transmission: 700r4
Axle/Gears: 4.10
what is this ?
just picked up my 3rd 3rd gen Camaro, this ones a 91 rs, just got it home and like anyone else I was looking over everything and spotted some sort off sensor laying on my intake manifold next to the tb on the passenger side, does anybody have any idea what it could be? thanks in advance 
Joined: Aug 2011
Posts: 661
Likes: 7
From: Texas
Car: 91 Firebird/88 Firebird/91 Formula
Engine: V6 3.1/V8 5.0/V8 5.0
Transmission: 4L60/700R4/4L60
Axle/Gears: 3.23/2.73/2.73
Re: what is this ?
Looks like an Air Charge Temperature Sensor. Goes in the air cleaner/breather.
Supreme Member
Joined: Apr 2006
Posts: 4,482
Likes: 10
From: Northern, CA
Car: 1989 Iroc-Z Camaro
Engine: TBI,5.0
Transmission: Automatic 700R4
Axle/Gears: Eaton Posi,3.42,LPW Ultimate Cover
Re: what is this ?
There should be a hole in the air cleaner assembly that it plugs into. Theres a metal round clip that may still be in the hole that it fits into and holds it in. Just push it in.