'96 AIR injection delete?
Thread Starter
Instructor
Joined: Apr 2018
Posts: 125
Likes: 20
'96 AIR injection delete?
Hi all, I've searched and found info on the older models but nothing for '96 OBD 2ish. Was wondering if removing the AIR injection on a '96 LT4 will throw a CEL/code? Guessing yes but maybe someone knows for sure.....
Thanks!
Phil
Thanks!
Phil
Pro
Joined: Aug 2007
Posts: 668
Likes: 38
From: Austin TX
Yes it will throw a code. But, if you leave the relay connected to the wiring harness, you can remove the air pump and all the piping and no code will be thrown. The computer senses the air pump from the relay, not the air pump. This worked for my 92.
Last edited by mixalive; Feb 19, 2019 at 12:06 PM.
Melting Slicks
Joined: Oct 2016
Posts: 2,024
Likes: 363
From: Central Alabama
While I agree that works on an OBD I car, the OP has OBD II and I believe downstream O2 sensors. With Downstream sensors the diagnostics can monitor changes post catalyst to see if the air injection is working properly.
Le Mans Master
Joined: Aug 2015
Posts: 6,113
Likes: 1,994
From: St. Charles MO
Originally Posted by belairebrian
While I agree that works on an OBD I car, the OP has OBD II and I believe downstream O2 sensors. With Downstream sensors the diagnostics can monitor changes post catalyst to see if the air injection is working properly.
Yes, the 96 is the one year of C4 where this is true. And these days, Jet DST is the only software available that can be used to tune a 96.
Last edited by MatthewMiller; Feb 19, 2019 at 04:04 PM.
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Thread Starter
Instructor
Joined: Apr 2018
Posts: 125
Likes: 20
Agree on all counts, I don't necessarily want to remove it as it is a zero sum game performance wise, I just came into possession of a set of headers that don't have the correct bungs for the AIR tubes. Based on the responses to this post and other research I will simply machine and weld on the correct bungs for the AIR injection tubes and leave it as factory.....
Thanks for the responses!
Thanks for the responses!
Drifting
Joined: Jun 2018
Posts: 1,678
Likes: 229
From: Michigan
Agree on all counts, I don't necessarily want to remove it as it is a zero sum game performance wise, I just came into possession of a set of headers that don't have the correct bungs for the AIR tubes. Based on the responses to this post and other research I will simply machine and weld on the correct bungs for the AIR injection tubes and leave it as factory.....
Thanks for the responses!
Thanks for the responses!