low idle

[bigtow]

my car seams to idle very low when cold it hunts between 400 and 600 rpm it has just had a new fuel filter and a fuel system flush. the iat plug was disconected as well i have reconected it but it does not raise the rpms. the car also seams to run rich

[bigtow]

i used the car last night and it stil does it the idle is very rough and it stalled out a couple of times can any one shed any light

[Joe 1320]

my car seams to idle very low when cold it hunts between 400 and 600 rpm it has just had a new fuel filter and a fuel system flush. the iat plug was disconected as well i have reconected it but it does not raise the rpms. the car also seams to run rich

the iat is only responsible for reading intake air temperature and controls the rate of timing advance. You might have a vacuum leak, fouled injector, bad plug wire, stuck egr or a host of other problems.

The IAC located at the throttle body is responsible for metering in additional air when the throttle blades are closed. It is directly associated with idle quality. The valve could be carbon fouled, out of range or just non functional. Here's a reset proceedure that's at least worth a try.......
http://shbox.com/1/4th_gen_tech2.html#iac_reset

The IAC can be removed and cleaned, care must be taken to only clean the pintle and not contaminate the wiring.

[bigtow]

top job as allways joe thanks

[Trash man]

hmm my car idles at 350rpms sometimes. i just figured this is cuz of the cam. maybe u need a tune up?

[Kevin - Blown 95 TA]

You also might have a carboned up throttle body and blades. If you get it all cleaned and it's all working OK, then you might try opening the throttle blades a little bit so the IAC doesn't have to do all the work. Sometimes it is slow to catch up and get the idle up to where it wants to be.