2011年8月20日 · OP, if your car has boost leaks, misadjusted TPS, misadjusted ISC, misadjusted base ignition timing, dead o2, over heating, forget it dude. Make sure all this stuff is functioning and dialed …

2010年5月26日 · 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 would just then …

2004年4月3日 · The ISC basically gives you temp dependant idle changes. Good for a normal car I would think but I don't need it anymore. I"ll set the idle for warmed up and just crack the throttle a bit …

2011年8月23日 · Can someone clue me in to what the ISC is? Idle Speed Control, its a stepper motor on the throttle body. It can often cause idle surge when it goes out. I would look at the ISC itself and …

2009年9月13日 · The ISC does this as a stepper motor under control of the ECU, which can finetune the idle rpm. The Fast Idle Air Valve does this as a very coarse adjustment based on temperature.

2008年5月11日 · 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 …

2010年8月13日 · 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 all the …

2016年5月20日 · 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 one offered by …

2010年9月1日 · I want my ISC because it makes the car much nicer to drive in traffic and it saves on the footwork needed to keep it from stalling. I had no ISC for a long time and it sucked having to balance …

2013年8月31日 · 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 controls ECU …