Sorry for the long post
Okay, so I installed my o/r prochamber about a month ago, installed the MIL eliminators, reset the computer and everything was going great until about 2 weeks ago when the SES light came on.
I pulled the codes and saw that I was getting a P0133 (Oxygen Sensor Circuit Slow Response (Bank1, Sensor1)) and a P0153 (Oxygen Sensor Circuit Slow Response (Bank2, Sensor1)).
Since then I have checked for exhaust leaks, retightened the system, examined the entire air inlet system looking for leaks and found none. I cleared the codes and reset the computer after each one of these items with no success. Within a day the SES light comes back on.
The car is a 2003 GT and only has a little over 21k miles on it and since it threw both codes simultaneously I am not inclined to think that both front O2 sensors went bad at the same time.
After a little bit of research I found that this is a common thing for cars that have LT headers because it takes longer for the O2's to heat up and go into open loop. I am currently still running with stock headers.
My questions are:
- Has anybody else had or heard of a situation like this? and if so, what was done to remedy the situation.
- Also, I read that it is possible to program in a longer delay before the O2's go into open loop to give them a longer time to heat up. How can this delay be programmed? Is it possible with a handheld programmer? and if so, which one? Or would it have to be done by a professional tuner?
Hopefully someone will have an answer for me. I'm trying to explore all possible free options before going out and buying 2 new O2 sensors just to see what happens. Thanks.
- Darren
Okay, so I installed my o/r prochamber about a month ago, installed the MIL eliminators, reset the computer and everything was going great until about 2 weeks ago when the SES light came on.
I pulled the codes and saw that I was getting a P0133 (Oxygen Sensor Circuit Slow Response (Bank1, Sensor1)) and a P0153 (Oxygen Sensor Circuit Slow Response (Bank2, Sensor1)).
Since then I have checked for exhaust leaks, retightened the system, examined the entire air inlet system looking for leaks and found none. I cleared the codes and reset the computer after each one of these items with no success. Within a day the SES light comes back on.
The car is a 2003 GT and only has a little over 21k miles on it and since it threw both codes simultaneously I am not inclined to think that both front O2 sensors went bad at the same time.
After a little bit of research I found that this is a common thing for cars that have LT headers because it takes longer for the O2's to heat up and go into open loop. I am currently still running with stock headers.
My questions are:
- Has anybody else had or heard of a situation like this? and if so, what was done to remedy the situation.
- Also, I read that it is possible to program in a longer delay before the O2's go into open loop to give them a longer time to heat up. How can this delay be programmed? Is it possible with a handheld programmer? and if so, which one? Or would it have to be done by a professional tuner?
Hopefully someone will have an answer for me. I'm trying to explore all possible free options before going out and buying 2 new O2 sensors just to see what happens. Thanks.
- Darren