Help with understanding freeze frame data for a PO 153 code
#1
Help with understanding freeze frame data for a PO 153 code
Hello,
I'm clueless about understanding the freeze frame data for this PO 153 code I got today on my 2002 Blazer. Can someone please help me with what the freeze frame data means and what to do to fix it. Thanks!
#2
You have a fuel control problem in closed loop. None of those freeze frame values are wildly out of bounds. Things to start with:
1) Can you graph the O2 sensors at idle?
2) Lets see those values in live data, cold engine, key on engine off
3) Any other codes stored or pending?
4) How does it run?
George
1) Can you graph the O2 sensors at idle?
2) Lets see those values in live data, cold engine, key on engine off
3) Any other codes stored or pending?
4) How does it run?
George
#3
You have a fuel control problem in closed loop. None of those freeze frame values are wildly out of bounds. Things to start with:
1) Can you graph the O2 sensors at idle?
2) Lets see those values in live data, cold engine, key on engine off
3) Any other codes stored or pending?
4) How does it run?
George
1) Can you graph the O2 sensors at idle?
2) Lets see those values in live data, cold engine, key on engine off
3) Any other codes stored or pending?
4) How does it run?
George
#5
I also just got through looking at the wiring and sensor and noticed that whoever had it before me had put some sparkplug foulers on the sensor! I had a new catalytic converter put on around 2 years ago so I'm wondering if those foulers could have something to do with the PO 153 code.
#6
I also just got through looking at the wiring and sensor and noticed that whoever had it before me had put some sparkplug foulers on the sensor! I had a new catalytic converter put on around 2 years ago so I'm wondering if those foulers could have something to do with the PO 153 code.
George
#8
I have no experience with those devices but I think they are usually used on the downstream sensor. Was there damage to the pipe female threads that required a fix of some sort? Does this move the sensor out of the exhaust stream?
If any other member has knowledge of how or why these are used in this way, please chime in.
George
If any other member has knowledge of how or why these are used in this way, please chime in.
George