cold starting problems

ddmcse · 07-12-2008, 01:09 AM

you might want to investigate the "cold start" injector . when i pulled mine it was coated in black gunk. i replaced it and a few other things with a little but not total success and finally went on to real issues instead

schutz86 · 07-19-2008, 05:46 PM

could someone explain to me where the cold start injector is? i never herd of that. thanks

ddmcse · 07-27-2008, 12:25 PM

in the middle of the intake

see part #17129 bottom right of diagram
Manifold
it bolts into that from underneath right in the middle

close to the mounting bracket bolt you see

here is the cold start injector diagram
Fuel Injection System
#23260

mkiiisupra · 07-28-2008, 12:35 PM

It is summer, and from what i understand, depending on where your at your engine needs to be pretty cold for it to use the CSI...

" If the temp outside is more than about 65* (maybe 55*) it won't allow the injector to come on, to prevent flooding. Also, even in a snow storm, after 12 seconds of cranking time, the switch will stop supplying current to the injector. (prevent flooding)" (taken from the cold start injecotor post in FAQ section)

I thought this was my problem as well turned out to be timing and my throttle posistioning sensor.\

Run a diagnostic i you havent

schutz86 · 08-02-2008, 06:50 PM

ok so i found the CSI and i pulled it out. it was really dirty and cloged but i cleaned it up really well and im still having the problem. any other ideas?

07-27-2008, 12:25 PM	#3
ddmcse 500whp yet? Join Date: Jun 2005 Location: CT U.S.A. Posts: 966	in the middle of the intake see part #17129 bottom right of diagram Manifold it bolts into that from underneath right in the middle close to the mounting bracket bolt you see here is the cold start injector diagram Fuel Injection System #23260 __________________ 300+ RW HP Dyno run, jdm,mod turbo,3"exh,electfan,greddyboost Blown HeadGasket info My Supra KiXGaS

07-28-2008, 12:35 PM	#4
mkiiisupra Lexus & 550's Join Date: Sep 2007 Location: Las Vegas, NV Posts: 570 Blog Entries: 1	It is summer, and from what i understand, depending on where your at your engine needs to be pretty cold for it to use the CSI... " If the temp outside is more than about 65* (maybe 55) it won't allow the injector to come on, to prevent flooding. Also, even in a snow storm, after 12 seconds of cranking time, the switch will stop supplying current to the injector. (prevent flooding)" (taken from the cold start injecotor post in FAQ section) I thought this was my problem as well turned out to be timing and my throttle posistioning sensor.\ Run a diagnostic i you havent __________________ 1990 Toyota Supra Turbo A/T ------------------------------------------------ Questions about oil? take a look http://www.supramania.com/aehaas/ Last edited by mkiiisupra; 07-28-2008 at 12:39 PM.*

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07-12-2008, 01:09 AM	#1
ddmcse 500whp yet? Join Date: Jun 2005 Location: CT U.S.A. Posts: 966	you might want to investigate the "cold start" injector . when i pulled mine it was coated in black gunk. i replaced it and a few other things with a little but not total success and finally went on to real issues instead __________________ 300+ RW HP Dyno run, jdm,mod turbo,3"exh,electfan,greddyboost Blown HeadGasket info My Supra KiXGaS

07-19-2008, 05:46 PM	#2
schutz86 Stock Join Date: Jul 2008 Location: Pittsburgh Posts: 7	could someone explain to me where the cold start injector is? i never herd of that. thanks

08-02-2008, 06:50 PM	#5
schutz86 Stock Join Date: Jul 2008 Location: Pittsburgh Posts: 7	ok so i found the CSI and i pulled it out. it was really dirty and cloged but i cleaned it up really well and im still having the problem. any other ideas?