(HELP) Idle Control System High
Thread Starter
Registered User
Joined: Jan 2003
Posts: 49
From: Logan, West Virginia
(HELP) Idle Control System High
I need help, recently redone motor in my 98 LS1 and it is idleing at 1500 RPMS and through a cod of PO507 Idle Control System RPM High. I have changed the IAC motor, retightened my intake checked the back of the intake vacume lines and dont no what else to do? ALL INFO WILL BE GREATLY APPECIATED.
Registered User
Joined: Apr 2003
Posts: 15
You try reseting the computer on the car??
If your looked for leaks and other probblems...and already changed the IAC I would try reseting the computer and see if anything changes.
Make sure the TB blade isnt sticking open at all.
If your looked for leaks and other probblems...and already changed the IAC I would try reseting the computer and see if anything changes.
Make sure the TB blade isnt sticking open at all.
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