2005 civic struggling to idle when cold
Thread Starter
Registered!!
Joined: Apr 2023
Posts: 3
Likes: 0
Rep Power: 0 
2005 civic struggling to idle when cold
I recently changed my downstream, O2 sensor and upstream O2 sensor with these parts.
2349005
2344092
car immediately had trouble on cold start I’m very confused on what o2 sensors are correct.
car has new iac. And a new car
2349005
2344092
car immediately had trouble on cold start I’m very confused on what o2 sensors are correct.
car has new iac. And a new car
"Marge, anyone could miss Canada! All tucked away down there."
Joined: Feb 2016
Posts: 9,654
Likes: 1,285
From: Barrie, ON Canada
Rep Power: 223 
Re: 2005 civic struggling to idle when cold
Aftermarket iac? Did you use denso o2 sensors? Did the upstream sensor cost significantly more?
Thread Starter
Registered!!
Joined: Apr 2023
Posts: 3
Likes: 0
Rep Power: 0 "Marge, anyone could miss Canada! All tucked away down there."
Joined: Feb 2016
Posts: 9,654
Likes: 1,285
From: Barrie, ON Canada
Rep Power: 223 Thread Starter
Registered!!
Joined: Apr 2023
Posts: 3
Likes: 0
Rep Power: 0 Re: 2005 civic struggling to idle when cold
"Marge, anyone could miss Canada! All tucked away down there."
Joined: Feb 2016
Posts: 9,654
Likes: 1,285
From: Barrie, ON Canada
Rep Power: 223 Re: 2005 civic struggling to idle when cold
There's a port you can cover in the throttle body to test. Search iac testing on the forum or on google.
Thread
Thread Starter
Honda Civic Forum
Replies
Last Post
TripleThreat719
Mechanical Problems/Vehicle Issues and Fix-it Forum
6
Jul 27, 2014 07:35 PM
