warm restart

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Joined: Mon Sep 01, 2008 10:06 pm

warm restart

Post by dpetro1 » Fri May 12, 2017 7:40 pm

looking for some insight on the following issue. my car drops idle on warm restart. car starts up just fine but rpms dip to about 600 before recovering back to normal. then if i rev or move the car (pull out of a parking spot), the rpms will drop and the car will stall. seems to only happen for about 30 seconds or so then it works itself out. also, the car will sometimes drop rpm in traffic. the car has stalled a few time in stop and go situations. always restarts immediately though.
car is a 2012 civic si with ct-e supercharger, dw 550cc injectors. did not have this issue until the weather warmed up here in MD.
i have attached the cal and datalog. the cal is password protected by the tuner so im not sure if is helpful.
tuner had made a few adjustments but im still having the same issue
thank you for any input
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Re: warm restart

Post by R-12914 » Sat May 13, 2017 12:26 am

Your Engine runs damed lean, look here:
lean.JPG (309.1 KiB) Viewed 1021 times
It is therefore absolutely no wonder, why the engine stalls!

S.TRIM vs. AFM.C should be +/-5, then the engine runs perfect!

If i look at your IAT-temp, the datalog was recording on a warm day!?

Which backyard tuner do you have?
2008 Honda Civic TypeR FN2
Rotrex C30-94 supercharged with relocated IAT
Powered by ASNU 092/FP330E fuel pump & ASNU 090/750cc fuel injectors
ECU: 37820-RSP-E03
Flashpro: FP-SI-INT-21153
Firmware: 169

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Re: warm restart

Post by Hondata » Sat May 13, 2017 7:09 pm

You've presumable paid for a tune, so ask the tuner to fix it...

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Joined: Mon Sep 01, 2008 10:06 pm

Re: warm restart

Post by dpetro1 » Fri May 19, 2017 2:30 pm

thanks for the replies. i am working with my tuner on this issue

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