Yet another startup question
I'm getting somewhat frustrated, so hopefully the latest glitch is just a product of a simple misunderstanding on my part.
Here's what happens. No matter how much I increase the ASE, my wideband still reads 15.x for the first second or two after the car starts, before settling down to 11-12 where it should be. That made me think the problem is a too-low fixed MAP setting. But when I increased that, it must've been too much because startup was suddenly very rough. So what do I need to adjust? Or could there be something else causing the wideband to be slow to react when started? |
Are you sure you let your WB-O2 enough time to warm up? Until its fully warmed up it gives a reading of close to 14.7 anyway...
Greets |
Well, when does he get back from lunch? Or is he going straight out for tea?!
- Arthur Dent (Seriously, I didn't know it needs time to warmup. If true, that explains what's happening.) |
RTFM'd just now. It states: "Initial Warm-up Time: Less than 20 seconds" .... who knew? (Not me!)
So, from now on, am I supposed to start the electricity, wait a few seconds, and then start the car? Is that what everyone does? Or just start it normally and ignore the lean AFR reading that appears for the first few seconds? Or, perhaps extend the number of seconds that it runs at fixed MAP before idle? I'm shooting in the dark, so good advice is welcome... |
I have mine wired to the Meter fuse, which is supposed to be hot when cranking too. It always shuts off and turns back on when cranking. Ignore the steady reading you get when it first fires up.
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Now I have to wonder what else I don't know!
For example: if the reading can't be trusted during a cold start, then how are we supposed to know if the start is lean / rich / just right? |
Does it fire up, not oscillate, and run smoothly? If so, stop worrying about it. :P
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Originally Posted by Savington
(Post 406791)
Does it fire up, not oscillate, and run smoothly?
Lately I've become interested (as you can see) in finding the perfect settings. I suppose I'll re-check this stuff after letting the wbo2 warm up next time. |
play with the all the ASE settings, it has a lot to do with the MAP fixed rate.
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Originally Posted by evank
(Post 406777)
So, from now on, am I supposed to start the electricity, wait a few seconds, and then start the car?
Originally Posted by evank
(Post 406782)
For example: if the reading can't be trusted during a cold start, then how are we supposed to know if the start is lean / rich / just right?
Originally Posted by Savington
(Post 406791)
Does it fire up, not oscillate, and run smoothly? If so, stop worrying about it. :P
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Okay, okay, I'm over it. :-)
Originally Posted by Savington
(Post 406791)
not oscillate
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It takes time for the exhaust to reach the sensor man.
Even if you let it warm up and then start the car, its 1...2..... then you get readings. |
I think we can safely conclude I didn't know that!
Time to end this thread. :) |
hey it takes a sec for the sensor to warm up
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Hey Evan, I think it takes a minute for that shit to warm up.
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You're all realllyyyyyy fucking funny. :fawk:
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