Im working with a L61 Ecotec.
The spintle on the Iac does not free wheel.
It's a 4 wire model, blue,light blue, green light green wires.
I may have the polarity backwards, but I was lead to believe this didn't matter on these types.
It is set up for moving only.
I did a calibration with a friend.
We noted full extention at 300 steps. (which seems a bit high)
it does not seem to retract (open) fully. There looks like 1 cm left.
I can't lower my idle from 1200. iac is set at 300
No leaks, and carefully looked at (by testing if a wire goes thru, I determined that it does not fully close.
Any advice?
IAC WONT FULLY CLOSE
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Read the manual to see if your question is answered there before posting. Many users will not reply if the answer is already available in the manual.
If your question is about troubleshooting, configuration, or tuning, you MUST include your processor type (MS-I or MS-II) and code version in your post. If your question is about PCB assembly or modifications, you must also include the main board version number (1.01, 2.2 or 3.0).
If you have questions about MS1/Extra or MS2/Extra code configuration or tuning, please post them at www.msextra.com Such questions posted here will be moved to: a temporary MSextra sub-forum, where they will be removed after 7 days
The full forum rules are here: Forum Rules, be sure to read them all regularly.
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Matt Cramer
- Super Squirter
- Posts: 2951
- Joined: Sat Jul 03, 2004 11:35 am
Re: IAC WONT FULLY CLOSE
Does this engine have an idle speed set screw? If so, can it be adjusted to lower the idle a bit?
Re: IAC WONT FULLY CLOSE
It does,
but it is already closed as far as it can go.
but it is already closed as far as it can go.
Re: IAC WONT FULLY CLOSE
I was able to fix this.
Upping the start value to 350 steps.
Using a example of 180f @ 320 steps gives a nice 950 rpm idle.
I know this is alot higher than normal,
and many people using Ms with their L61 Ecotec have had this same problem.
Hopefully this will help someone, as visually looking and doing the calibration didn't help me much....
Upping the start value to 350 steps.
Using a example of 180f @ 320 steps gives a nice 950 rpm idle.
I know this is alot higher than normal,
and many people using Ms with their L61 Ecotec have had this same problem.
Hopefully this will help someone, as visually looking and doing the calibration didn't help me much....