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Adjust only fuel - OEM ECU will do Ignition?

Posted: Sun Jan 04, 2015 9:49 pm
by sulik
Hello guys,

a friend wants to run the DET3 on his automatic single turbo 1JZ but we have a question about it.
Is it possible just to adjust the fuel mixture and let the ignition complete stock, so the OEM ECU will control it?
If yes, is it possible in piggyback and fuel implat mode too?

He wants to tune his car without ignition first and go to a tuner later...

Thanks for your help. :)

Re: Adjust only fuel - OEM ECU will do Ignition?

Posted: Mon Jan 05, 2015 5:00 pm
by Jadzwin
Hi!

Yes it is possible. Morover you can cut ckp sensor cables and connect to DET3 leaving the whole table 0 that means no ignition modifications.

Re: Adjust only fuel - OEM ECU will do Ignition?

Posted: Mon Jan 05, 2015 5:26 pm
by sulik
Thanks for the fast reply. :)
Do he has to cut the CPS wires or can we install it the normal way too?

Re: Adjust only fuel - OEM ECU will do Ignition?

Posted: Mon Jan 05, 2015 6:26 pm
by Jadzwin
If you just connect to cps signal you will be able to read RPM but you will not be able to alter ignition angle

Re: Adjust only fuel - OEM ECU will do Ignition?

Posted: Fri Aug 28, 2015 10:14 am
by mihaicsv
Hi,did your friend manage to control the fuel map ?Very interested in this ...

Thanks

Re: Adjust only fuel - OEM ECU will do Ignition?

Posted: Sat Aug 29, 2015 4:05 am
by sulik
He opened his engine because of rod knock.
Now he´s in a rebuilt process. :/