Here's what happens. The O2 sensor voltage is acting very odd. As I press the gas it seems to go up proportionally to the amount of gas I give and it holds very steady(changes less than .010 generally). At idle, it's holding right around .140 and at 50-75% throttle, it's up around 1.1 and holding steady. Until recently, it acted normally (jumping around everywhere under partial throttle and holding very steady around .930 under hi throttle), but now it gives a very steady reading just about all the time.
I have a Star Stage II w/ AFX UDP and AFC. colder plugs, Moroso wires on a '99GS. I think that should cover the parts you might need to know.
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#4621, "RE: O2 sensor voltages strange...help" In response to Reply # 1
The O2 voltage should fluctuate below 80% throttle, then settle down in the lower .93s. Maybe that is just the 4G63s, but that's how they tune. -=B-=
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#4622, "RE: O2 sensor voltages strange...help" In response to Reply # 1
yes, I do have a CEL, but that came on after this. I figure this is the cause of the CEL, but I'd like to find the cause of this. I just replaced the O2 sensor about a month ago and it's worked fine up to this point. It shouldn't have probs I wouldn't think since it's so new, but it's an idea. Thanks
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