Bass Crazy

Hey guys.

I noticed yesterday that my car runs no differently with the ISC unit connected or not.

If I have the car in self test mode, the idle will increase as usual, and will drop if the ISC is removed, however, when the car is not in this mode, there is no change. This suggests that ISC is not stuck.

I tested a constant 13.5V at the ISC on normal Idle.

So my question is, should I notice a difference in at idle in normal mode when connecting/disconnecting?

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donuts2001

No you shouldn't notice a difference in idle with your car in Park, this means your idle is set at the right speed.

Yes you should notice a difference when you put it in Drive(assuming you have a auto, which I know you don't ) or you put the air con on and the motor nearly shits itself. The ISC only seems to change the idle when situations change, eg. air con, power steering load or car put into Drive.

Rollin

yes the ISC is to compensate for extra loads placed upon an idling engine and for the extra air needed when its cold etc, and to stop the engine crashing back to idle when you change gears in a manual - helps with smooth shifts

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Bass Crazy

Sweet!!

Thanks guys.

__________________
CAUTION: Slippery When BOOSTING!

myxr6

Its a shame mine idles like crap if i disconnet the ISC.

ebxr8240

Idle screw/ adjustment is too low then..

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