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13 Civic Si Coupe
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Discussion Starter · #1 ·
So i recently bought and received a hondata flashpro with intentions of building my car into something more than what it is. The car is an 2013 Civic Si Coupe which is completely stock (2.4LDOHC V-tec K24z7). After a bit of reading and videos I went and put a basemap on the car only to find out a few weeks later the car would start running like complete crap. Feels like the car is bogging or feels very similar to a cylinder misfire. A few days ago I figured my best option would be to just tune the car back to factory with the factory basemap. I was able to due a quick datalog on my drive home from work this morning and will post it on this message. Any ideas, pointers, advice, or knowledge of what this datalog may be showing would be greatly appreciated
 

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Photoshop Masta
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3,261 Posts
So i recently bought and received a hondata flashpro with intentions of building my car into something more than what it is. The car is an 2013 Civic Si Coupe which is completely stock (2.4LDOHC V-tec K24z7). After a bit of reading and videos I went and put a basemap on the car only to find out a few weeks later the car would start running like complete crap. Feels like the car is bogging or feels very similar to a cylinder misfire. A few days ago I figured my best option would be to just tune the car back to factory with the factory basemap. I was able to due a quick datalog on my drive home from work this morning and will post it on this message. Any ideas, pointers, advice, or knowledge of what this datalog may be showing would be greatly appreciated
Exactly what base-map did you load? Since your car is bone stock, you don't want to load anything that's meant for mods, like intakes, exhausts etc. Those calibrations will not run right on a bone stock car.

When my car was stock I simply loaded the stock equivalent calibration on the FlashPro manager and then made adjustments to that one, like removing the rev hang, changing the rev limiter and basic stuff like that. Once I made my adjustments, I saved it and then loaded it to the car (ECU). Car ran great!
 

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13 Civic Si Coupe
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Discussion Starter · #6 ·
At first I did the stock MAF tune. Was too stupid to realize it was not the reflash I wanted to do. As soon as the car started to run weird I just switched it back to factory.
 

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13 Civic Si Coupe
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Discussion Starter · #14 ·
Yeah, try that!
So I definitely noticed a major difference feeling wise but getting on the throttle to get onto the interstate I still got a little bog. Other than that 1 time I really didn't get on the pedal or feel a bog at all. Maybe it takes a little for the ecu to fully get back but if I drive the next few days and it continues I may have to replace my spark plugs next?
 

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Photoshop Masta
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3,261 Posts
Yeah I would drive it a bit before doing anything else to it. But it wouldn’t hurt just to take a look at your spark plugs and see if they need to be replaced.
 

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FG4/FB6
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I know this is probably not what you planned but you can reach out to a professional tuner and get the car running slightly better than stock. It will cost you some more money but it would also be a reliable route. Once you get onboard with a tuner, whenever you add modifications to your car, they would charge a lesser additional fee to update your current tune. @Allmotor would tell you some great tuners in the scene.
 
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