Nov 16, 2014 · I'll test the ISC tomorrow to confirm it's bad, but suffice it to say something bad happened and completely fried the ISC driver. The ECU seemed fine up until recently, when I …

Feb 8, 2009 · Recently the car has have some idle surge problems for a long time and I don't know what going wrong with it. I have been replacing the ISC (used) and one of the IC that used to …

Apr 1, 2011 · The ISC did just fine, though as stated already - took a few more cranks and sometimes a second of throttle to get it idling normally. Btw, 3 out of 4 adjusters were easy as …

May 11, 2008 · You want the ISC in the middle of it's range, while adjusting the BISS for optimal setting (Our idle should be 800 RPMs). But what exactly is the middle of it's range? If you log it, I …

Aug 31, 2013 · As I work through many, many issues with 1587, I have found that I have a blown ISC driver (IC105). According to ECM Tuning, the drivers do the following functions: IC104 …

Aug 13, 2010 · So replaced the ISC after my last ecu blew a driver, I replaced the ecu and rewired the pump as some of you may remember, I have a bad idle surge now, and I adjusted the biss …

Sep 11, 2009 · Yes newbie question here. What other throttle body will mate to GVR4. I am looking to get one locally to remove the isc and plug the coolant line. Would N/T throttle work ok? or …

Oct 13, 2015 · I had a 2nd ISC go out this weekend and I'm unsure how to determine if it took out the ECU driver. Is there a test I can do on the ECU to determine whether coil pair A and B are …

May 20, 2016 · Seems the ISC driver kursploded from a short, which explains why it was unplugged. The OEM replacement seems to be big money. Has anyone had any luck with the …

May 26, 2010 · If the ISC can't react fast enough, it won't catch them in time. It might not be as difficult as you think to tap a nipple into the FAIV to port air into it from pre-compressor. You …