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-   -   15' BRZ M/T - Cold start misfire (https://www.ft86club.com/forums/showthread.php?t=94927)

mstoochn 09-16-2015 02:56 PM
15' BRZ M/T - Cold start misfire
 
Hello,

Since the recent weather change here in BC (Canada) I notice when I cold start my car after a night (under ground garage... 5*C -ish). Clutch in, start the car, after about 3 seconds I get 2 pops from the engine bay on the passenger side, rpms dip from 1500 to about 1200. After which the car runs and idles fine.

Should I be concerned? thoughts? suggestions?

Edibrac 09-16-2015 03:04 PM
Its normal. It is the ECU putting more fuel in during combustion so that it continues into the exhaust and warms up the cats.

BRZnut 09-16-2015 11:09 PM
pops during cold winter starts...my '13 has done that since new. Never during the summer.

humfrz 09-17-2015 01:13 AM
Quote:
Originally Posted by mstoochn (Post 2392188)
Hello,

Since the recent weather change here in BC (Canada) I notice when I cold start my car after a night (under ground garage... 5*C -ish). Clutch in, start the car, after about 3 seconds I get 2 pops from the engine bay on the passenger side, rpms dip from 1500 to about 1200. After which the car runs and idles fine.

Should I be concerned? thoughts? suggestions?
It's just coughing ..... not to worry ...... :)


humfrz


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