9th gen Honda civic SI
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- Posts: 24
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9th gen Honda civic SI
Hi hondata community,
I have a 9th gen Civic Si with these mods: RBC intake, Skunk 2 header, custom exhaust, and cai. I'm currently running rich can someone please help?
I have a 9th gen Civic Si with these mods: RBC intake, Skunk 2 header, custom exhaust, and cai. I'm currently running rich can someone please help?
Re: 9th gen Honda civic SI
Which calibration are you running? With the RBC, you have to make sure you're running an RBC calibration. The OEM intake and RBC require very different fuel tables.
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- Posts: 24
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Re: 9th gen Honda civic SI
Yeah I picked think tune that has the rbc intake. But I'm running rich WOH and when I plug and obd2 it says I'm running rich.
Re: 9th gen Honda civic SI
Okay, can you double check and post the calibration so we can see which one you're running?
Do you have any datalogs you can post. We would need to see some datalogs and the calibration to help you.
Do you have any datalogs you can post. We would need to see some datalogs and the calibration to help you.
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- Posts: 24
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Re: 9th gen Honda civic SI
Gonna have to do the data logging tomorrow. But how do you want me to do the test runs? Like WOT? What rpms to be at?
Re: 9th gen Honda civic SI
Don’t do any WOT pulls as that isn’t our main concern. Just a 10 minute datalog to get some data is fine. And also post your calibration when you can, that would tell us a lot right away. If you post that I can look it over to see what you’re working with.
And what year is your car?
And what year is your car?
Re: 9th gen Honda civic SI
I have a file from another customer for a 2015 that had an RBC if you want to start on that to see how it looks. It would fix the rich condition, granted you don't have a mechanical issue causing the richness.
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Re: 9th gen Honda civic SI
Here's the calibration
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Re: 9th gen Honda civic SI
Could you send that file? So I can do a datalog with that as well?
Re: 9th gen Honda civic SI
When you say it's running rich, you don't have a code saying so, you just feel it's running rich based on what you see? Or you actually have a code for running rich in the system?
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Re: 9th gen Honda civic SI
It says the system is running rich on the OBD2 like p0172.
Re: 9th gen Honda civic SI
Interesting. Go ahead and make a datalog tomorrow with your current calibration then so we can look at it. The file I have has more fuel in the tables than yours, so it would most likely be more rich. Make a quick datalog of say 10 minutes or so, or a drive to work or whatever and then post it up. Seems a little weird that it would be rich enough to throw a code, but you never know. We'll see once you post the datalog.
Which CAI do you have?
Which CAI do you have?
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- Posts: 24
- Joined: Thu Sep 30, 2021 1:10 pm
Re: 9th gen Honda civic SI
Here's the datalog.
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Re: 9th gen Honda civic SI
Yeah it's pretty much maxed out on fuel trims. Take this one for a short drive and let's see how it looks. I basically just pulled a bunch of fuel at where it wants it removed to try to get us in the ballpark. But I can definitely see why it threw a code. Don't do any WOT pulls yet, just keep it to normal driving until we get closer on the part throttle fueling.
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