Thread: Ned's 91 GSX
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Old 10-11-2009, 04:43 PM   #2
ned032002
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Re: Ned's 91 GSX

Just started tearing it apart to get the FIAV out and just kinda get things cleaned up before I do the FMIC and what not. I did a boost leak test and there were no leaks so I guess my search continues w/ operation idle surge.



I pulled the TB off of course to get the plate off and so I decided to test the ISC/IAC motor to see if were bad or not. I put this one in hoping it would cure my issue but I never tested to make sure it was good. Well according to the Vfaq, there are 6 pins on the ISC motor. It says that that each coil should have a resistance between 28-33 ohms. I tested it the way it said to and these were my results:
1-2 > 30 ohms
2-3 > 55 ohms
4-5 > 30 ohms
5-6 > 30 ohms

So it looks like the "2-3" coil is bad. Need a new ISC!!
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