Idle Bump for AC Not Working (94 Stealth)

Jun 25, 2004 1 Replies
94 Stealth SOHC.

Whatever the mechanism is for adjusting idle when the AC compressor is engaged is not working. When engaged, the idle is dangerously low and will occasionally cause the car to die altogether when letting off the accelerator.



There is no obvious mechanism I can see for this so I assume that the computer controls it. Any ideas what I can look for? Just had the dealer look at it and



500 bucks later there is no change.

I can find two different screws that adjust the overall idle, but to get a decent idle speed with those having the AC on I just end up with too high of an idle when the AC is off.



TIA


It's probably the Idle Speed Controller (ISC). It could be the FIAV, but not likely. The ISC isn't cheap. I would recommend Concelli Mitsu, online, before getting a new one local. I would suggest some other fixes first but, since you have no interest in cars (afterall, you own an NT), I just buy a replacement.

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