insufficient switching 02sensor
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i switched to the exact corvette rear oxygen sensors, still got the problem. happens about 40minutes after running around.
I have stainless steel headers, so holding heat is problem. I'm about to throw the stock ones back on and see about them
I have stainless steel headers, so holding heat is problem. I'm about to throw the stock ones back on and see about them
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Originally Posted by 2K2WS6TA
Replace with bosch 13111
are these better than the stock o2's also? I even had the problem with the stock 02's....not often but it did happen.
All the 'vette sensors have going for them is a somewhat
higher heater wattage. Other than that, it's the same.
So if a few more watts isn't enough to get you lit up,
too bad, get code. Kill code. I got this on mine with the
Denso 'vette rears but it hasn't affected anything about
idle or other fuel trimming so far. It's just the first warning
that stuff is marginal as far as closed loop feedback.
higher heater wattage. Other than that, it's the same.
So if a few more watts isn't enough to get you lit up,
too bad, get code. Kill code. I got this on mine with the
Denso 'vette rears but it hasn't affected anything about
idle or other fuel trimming so far. It's just the first warning
that stuff is marginal as far as closed loop feedback.
TECH Fanatic
Joined: Mar 2003
Posts: 1,946
Likes: 1
Originally Posted by jimmyblue
All the 'vette sensors have going for them is a somewhat
higher heater wattage. Other than that, it's the same.
So if a few more watts isn't enough to get you lit up,
too bad, get code. Kill code. I got this on mine with the
Denso 'vette rears but it hasn't affected anything about
idle or other fuel trimming so far. It's just the first warning
that stuff is marginal as far as closed loop feedback.
higher heater wattage. Other than that, it's the same.
So if a few more watts isn't enough to get you lit up,
too bad, get code. Kill code. I got this on mine with the
Denso 'vette rears but it hasn't affected anything about
idle or other fuel trimming so far. It's just the first warning
that stuff is marginal as far as closed loop feedback.
Originally Posted by ZL1Killa
so either trash the o2's or try to header wrap or somehow hold heat in the exhaust more(a lot more, lol)
My car had the headers on it and the stock o2's for at least 5k miles, no problems.
now the car with the stock o2's only did the insufficient switching very seldom
the corvette rear o2s seem to do it VERY OFTEN, so why would they have better heaters in them?
