Hi all,

I am still having a nightmare with my idle when cold!!!! I put in a new ISCV and the ecu is sending it a signal, have tested all sensors and changed plugs.(All within range for temps)
I thought I had it sorted as when cold it would start at 1200rpm then drop to 900rpm and run smoothly but then I took it to check co and found that it was 8.8% at idle!! have adjusted it to 3.14% and now when I start it she will run for about 5 seconds and then dies.
I can hear the ISCV trying to raise the idle speed but its all to little to soon, when she s up to temp she runs fine. I have set base idle when warm to 900rpm ISCV unplugged.
The car is running standard cams ingition leads/greys/T3-T45-50-s2-STDO-63 turbonetics 370bhp@23psi)turbo/RS500 intercooler/uprated rad/turbo cooler/044 fuel pump/Champion QC57 plugs (just changed) where Denso's.
The car is a three door ECu L6, at my wits end I have been told it might be the chip !!!
I understand that some engines perfer well can't run well lower co % but 8%!!!

All help and any advise please, gonna lock her away and forget her soon.


Tim.

 

8 is ridiculous, I would change the plugs, for iridium, I would also to rule it out put a new CTS in there.
tabetha