Perth-WRX.com - hi reving at cold start

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nwt1976

22-01-2014 10:34 PM

hi reving at cold start

i have a problem with engine rev's hi on cold start. It's 99wrx and has autronics smc plug and play ecu.
I've just got back from work and it's first time this has happen, rev's at 2000rpm for very short time then sits on 4200rpm.

help please.

drewgong

23-01-2014 02:59 AM

Thermostat

nwt1976

23-01-2014 12:43 PM

problem fixed. The idle air control valve was suck or not working. used a cleaner and problem solved.
ill be replacing iacv

MY00GC8

23-01-2014 12:59 PM

mine used to do the same with autronics, i just thought it was normal?

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