vs idling high?

[jonboy]

hi all, when im slowing down in my vs and put my foot on the clutch the motor (v6) jumps up a few hundred revs then settles? it seems to do it all the time, is this normal? most other cars iv drove dont do this. iv just installed nu o2 sensors and earthed them at the cpu.

[The1]

you may need to check or replace your iac, have you checked for error codes?

[jonboy]

i just done a ckeck fo errors i got 12 over and over, how can i check the iac? and what am i checking? cheers

[The1]

it's at the back of the throttlebody, there is a air passageway that it blocks or unblocks to control idle speed, this also might be blocked up if it's never been cleaned restricting airflow. Get some carby cleaner if you want to clean it out, pull your pelium cover off and air intake hose and flush it out, have some rags to catch the fluid

[The1]

here's what the iac looks like

[jonboy]

thank you for your help! much appretiated ill go get some cleaner on monday and try it