what triggers P0139
May 25, 2004, 10:19 AM
#1
Evolved Member
Thread Starter
iTrader: (9)
Join Date: Feb 2003
Location: Alexandria, VA
Posts: 1,520
Likes: 0
Received 0 Likes
on
0 Posts
what triggers P0139
what triggers P0139
O2 Sensor Circuit Slow Response (Bank 1 Sensor 2), i know its out there but i'm looking at specifics, Technical data that sets this one off?
O2 Sensor Circuit Slow Response (Bank 1 Sensor 2), i know its out there but i'm looking at specifics, Technical data that sets this one off?
May 25, 2004, 10:24 AM
#2
Evolved Member
iTrader: (5)
Join Date: Mar 2003
Location: Tri-State
Posts: 2,218
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by nastea
what triggers P0139
O2 Sensor Circuit Slow Response (Bank 1 Sensor 2), i know its out there but i'm looking at specifics, Technical data that sets this one off?
O2 Sensor Circuit Slow Response (Bank 1 Sensor 2), i know its out there but i'm looking at specifics, Technical data that sets this one off?
0bd2 is runing a systems check to make sure that you cat is working. If the front o2 has the same reading as the rear o2 it will trigger the CEL.
Now it happans when you are crusing. That's when OBD2 runs it system checks.
Eric
May 25, 2004, 10:38 AM
#4
Evolved Member
iTrader: (5)
Join Date: Mar 2003
Location: Tri-State
Posts: 2,218
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by nastea
k just wanted to know more specifics.. i know the fix for it but wanted more tech data. thanks ERIC! 
Like what?
Voltage?
ECU Code?
May 25, 2004, 10:45 AM
#5
Evolved Member
Thread Starter
iTrader: (9)
Join Date: Feb 2003
Location: Alexandria, VA
Posts: 1,520
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by Eric Lyublinsky
Like what?
Voltage?
ECU Code?
Voltage?
ECU Code?
Thread
Thread Starter
Forum
Replies
Last Post
joe52
Evo X Engine Management / Tuning Forums
8
Dec 31, 2014 04:57 AM
Oli170
Evo Engine / Turbo / Drivetrain
11
Jul 16, 2014 05:12 PM
