Ignition for Cat warm up - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Toyota John · 04-14-2014, 10:31 AM

Anyone change their ignition table, initial start for catalytic warm up. I was thinking about changing the numbers to make it a little less loud on start up. I think I saw -15 in the table. Which makes sense to have fuel still burning in the exhaust to help heat up the catalytic converter. Anyone change this and what numbers are you running?

Toyota John · 04-14-2014, 11:55 AM

I was going to try +10 and John V confirmed that's a good number. Anyone try? I plan on doing it tonight.

Kodename47 · 04-14-2014, 12:45 PM

+10 as in 10 degrees advance or -15+10 thus 5 degrees retard? I've been using -6 in mine.

Toyota John · 04-14-2014, 01:07 PM

I meant 10 before BTDC. In ecutek it lists them as before is + and after is - i think. I looked at it yesterday quick so I might be wrong. I think is said stock is -15 so 15 ATDC? I put a full exhaust with UL header on Saturday and it is way too loud. I think I need a different cat back system or i might try the tip silencers. Every car my brother has had the silencers in they just vibrate out on the highway and are gone forever.

Toyota John · 04-16-2014, 09:38 AM

Ok so I changed it. Much more quite start up. Then on the second start up I get P050B code something about start up ignition failure. I check that off and reflash and my start up RPM is now 2500. John V said I needed to miss with the MAF scaling to get the RPM down but haven't done that yet. Anyone else try?

Kodename47 · 04-16-2014, 09:41 AM

Quote:

Originally Posted by Toyota John

Ok so I changed it. Much more quite start up. Then on the second start up I get P050B code something about start up ignition failure. I check that off and reflash and my start up RPM is now 2500. John V said I needed to miss with the MAF scaling to get the RPM down but haven't done that yet. Anyone else try?

http://www.ft86club.com/forums/showthread.php?t=55676

Toyota John · 04-16-2014, 11:05 AM

wow great read. Just what I was looking for. I copied the instructions. Hopefully I can find the tables in ECUTEK that look the same as ROMRAIDER. I will try doing during lunch break.

Kodename47 · 04-16-2014, 12:26 PM

Quote:

Originally Posted by Toyota John

wow great read. Just what I was looking for. I copied the instructions. Hopefully I can find the tables in ECUTEK that look the same as ROMRAIDER. I will try doing during lunch break.

I use ECUtek mate. As I posted most of the tables to find, you'll find them.

If you search by function:
> Idle Control > Target
> Ignition Timing

Those should be where you find all the tables

Toyota John · 04-16-2014, 01:14 PM

I just meant the MAF correction start up table in ECUTEK. I don't think i have looked at them yet. I have missed with the 9 idle tables before to raise the idle to 750 after it already been warmed up. Do you happen to know the parameters of the 9 idle tables and what each one does? I just made them all the same. Thanks for the help.

04-14-2014, 10:31 AM	#1
Toyota John Calle Atun Join Date: Sep 2013 Drives: 13 FRS, 93 Mr2, 85 ae86 Location: CT Posts: 158 Thanks: 12 Thanked 11 Times in 10 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Ignition for Cat warm up Anyone change their ignition table, initial start for catalytic warm up. I was thinking about changing the numbers to make it a little less loud on start up. I think I saw -15 in the table. Which makes sense to have fuel still burning in the exhaust to help heat up the catalytic converter. Anyone change this and what numbers are you running?

04-14-2014, 12:45 PM	#3
Kodename47 Senior Member Join Date: Oct 2012 Drives: UK GT86 Location: UK Posts: 3,040 Thanks: 185 Thanked 1,632 Times in 1,113 Posts Mentioned: 156 Post(s) Tagged: 1 Thread(s)	+10 as in 10 degrees advance or -15+10 thus 5 degrees retard? I've been using -6 in mine. __________________ .: Stealth 86 :. Abbey Motorsport/K47 Tuned Sprintex 210 Supercharger Kodename 47 DJ: Soundcloud / Instagram / Facebook

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04-14-2014, 11:55 AM	#2
Toyota John Calle Atun Join Date: Sep 2013 Drives: 13 FRS, 93 Mr2, 85 ae86 Location: CT Posts: 158 Thanks: 12 Thanked 11 Times in 10 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I was going to try +10 and John V confirmed that's a good number. Anyone try? I plan on doing it tonight.

04-14-2014, 01:07 PM	#4
Toyota John Calle Atun Join Date: Sep 2013 Drives: 13 FRS, 93 Mr2, 85 ae86 Location: CT Posts: 158 Thanks: 12 Thanked 11 Times in 10 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I meant 10 before BTDC. In ecutek it lists them as before is + and after is - i think. I looked at it yesterday quick so I might be wrong. I think is said stock is -15 so 15 ATDC? I put a full exhaust with UL header on Saturday and it is way too loud. I think I need a different cat back system or i might try the tip silencers. Every car my brother has had the silencers in they just vibrate out on the highway and are gone forever.

04-16-2014, 09:38 AM	#5
Toyota John Calle Atun Join Date: Sep 2013 Drives: 13 FRS, 93 Mr2, 85 ae86 Location: CT Posts: 158 Thanks: 12 Thanked 11 Times in 10 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Ok so I changed it. Much more quite start up. Then on the second start up I get P050B code something about start up ignition failure. I check that off and reflash and my start up RPM is now 2500. John V said I needed to miss with the MAF scaling to get the RPM down but haven't done that yet. Anyone else try?

04-16-2014, 11:05 AM	#7
Toyota John Calle Atun Join Date: Sep 2013 Drives: 13 FRS, 93 Mr2, 85 ae86 Location: CT Posts: 158 Thanks: 12 Thanked 11 Times in 10 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	wow great read. Just what I was looking for. I copied the instructions. Hopefully I can find the tables in ECUTEK that look the same as ROMRAIDER. I will try doing during lunch break.

04-16-2014, 01:14 PM	#9
Toyota John Calle Atun Join Date: Sep 2013 Drives: 13 FRS, 93 Mr2, 85 ae86 Location: CT Posts: 158 Thanks: 12 Thanked 11 Times in 10 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	I just meant the MAF correction start up table in ECUTEK. I don't think i have looked at them yet. I have missed with the 9 idle tables before to raise the idle to 750 after it already been warmed up. Do you happen to know the parameters of the 9 idle tables and what each one does? I just made them all the same. Thanks for the help.

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