Guys, i'm having funny idle issues. please help. here's the info and symptoms:
i have a '95 maxima, 5 spd, i had removed all the intake stuff for a temporary 00vi install which i took back all out, and put all the 4th gen stuff back in. the iacv connector harness i had to cut part of the plastic for the 00vi install, but it's plugged all the way in the 4th gen connector now and held w/ electrical tape. while the iacv was out i cleaned it w/ TB cleaner and also removed that metal cap on the inside. with that said, on to the idle issues...

after my car has been sitting for at least a few hours, like overnight or after work, i start up, rpms start @ 1600 or so, and while i'm driving around they'll drop down to 800-1000 rpm. a little off, but more normal than the next scenario.

after i've driven around, if i stop somewhere for a few minutes and get back in to start, the idle jumps up to ~2000 rpm. and it makes driveability really difficult. i recalibrated the tps w/ the car warm and the idle adjustment screw is in all the way and the lowest i can get the idle after the car is started when it's warm is ~1400-1500 rpm.

anybody else have a problem like this? i'm really baffled, but if i had to guess i feel like my iacv is not closing all the way or something when i start the car when it's warm. thanks and i really appreciate any advice/help.

 

i checked my IACV-AAC as per the FSM:

"Here's the factory service manual component inspection procedure for the IACV-AAC.

1) Make this test with the ignition key OFF. Disconnect the IACV-AAC valve harness connector.

2) Looking into the valve connector with the latch at the top, you will see two rows with three terminal positions in each. They are numbered 1-3 (top row, right to left) and 4-6 (bottom row, right to left). Check resistance between the following terminals.
2 and 1.
2 and 3.
5 and 4.
5 and 6.
At a temperature of 68 F, the reading for all measurements should be approximately 30 ohms.

3) Reconnect the IACV-AAC valve harness connector.

4) Remove the idle air adjusting unit assembly (IACV-AAC valve is built-in) from engine. The IACV-AAC valve harness connector should remain connected.

5) Turn ignition switch ON and OFF, and verify that the IACV-AAC valve shaft smoothly moves forward and backward. If NG, replace the IACV-AAC valve."


-resistances came out fine. now when the IACV-AAC valve shaft smoothly moves forward and backward, how much is it supposed to move? mine moves a few millimeters at most.

also i took it out for a drive today. it drives just fine when it sat overnight, after warmup idle dropped to about ~700-800 rpm, but after a couple hours i started it again and the idle never went below 1200 rpm. this is really bothering me.