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Old 05-19-2018, 10:15 AM   #1
Samuramateur
 
Join Date: Jan 2016
Location: Brighton, MI
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Idle Up Actuator fails to retract

The idle-up actuator on my '87 Samurai Tin Top fails to retract when the vehicle is warm or when the electrical load is removed.
Here is what I have tried so far:
Installed a newly rebuilt carb.
Replaced the main battery ground cable.
Replaced the vacuum lines to solenoid switch
Tried a solenoid switch from another Samurai that runs fine but still had the same problem
Checked the wires to solenoid - they do exhibit some cracking in the insulation. I wrapped with electrical tape
Tried another ECM with no improvement

Sometimes it will retract when I hit a bump in the road which leads me to think I have an electrical ground issue or maybe it is a sticky valve. I have not tried one from another carb yet.

I know I can simply unplug the solenoid or vacuum lines but I'd like to resolve the issue. Should I try replacing the O2 sensor next? Perhaps I should try replacing the wires to the solenoid with new ones?
Any suggestions are appreciated!! Thanks!
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Old 06-29-2018, 02:20 PM   #2
3006mv
 
Join Date: Jun 2018
Location: Moreno Valley
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You can check eBay and buy a hopefully working used one.
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Old 07-17-2018, 02:29 PM   #3
3006mv
 
Join Date: Jun 2018
Location: Moreno Valley
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https://www.autozone.com/repairguide...00c152800883ba
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