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{{ImportedFrom|site=Xenonzcar|title=Z31 Idle-up solenoid (Non-Turbo only)|url=http://www.xenonzcar.com/z31/SENSORS/IUS.php.html|archive=https://dev.z31library.com/xenonzcar_archive/z31/SENSORS/IUS.php.html|fetched=2026-05-15}}
{{ImportedFrom|site=Xenonzcar|title=Z31 Idle-up solenoid (Non-Turbo only)|url=https://dev.z31library.com/xenonzcar_archive/z31/SENSORS/IUS.php.html|archive=https://dev.z31library.com/xenonzcar_archive/z31/SENSORS/IUS.php.html|fetched=2026-05-15}}


== Z31 Idle-up solenoid (Non-Turbo only) ==
== Z31 Idle-up solenoid (Non-Turbo only) ==
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The '''Idle-up solenoid valve''' is attached to the intake collector. The solenoid valve actuates to stabilize idle speed when engine load is heavy, such as when using electrical accessories, power steering, or the oil pump.
The '''Idle-up solenoid valve''' is attached to the intake collector. The solenoid valve actuates to stabilize idle speed when engine load is heavy, such as when using electrical accessories, power steering, or the oil pump.


[http://www.xenonzcar.com/z31/images/Sensors/Idleup.gif image: Idle-up Solenoid Valve]
https://dev.z31library.com/xenonzcar_archive/z31/images/Sensors/Idleup.gif


''WARNING'' - Do this modification at your own risk. We Are not responsable for any issues of your own doing.
''WARNING'' - Do this modification at your own risk. We Are not responsable for any issues of your own doing.
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* If a step fails, verify wiring and component continuity.
* If a step fails, verify wiring and component continuity.


[http://www.xenonzcar.com/z31/images/Sensors/AACtroubleshootingfull.png image: Idle-up Solenoid Valve Troubleshooting Diagram]
https://dev.z31library.com/xenonzcar_archive/z31/images/Sensors/AACtroubleshootingfull.png


[[Category:Imported from Xenonzcar]]
[[Category:Imported from Xenonzcar]]

Latest revision as of 18:01, 16 May 2026

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Z31 Idle-up solenoid (Non-Turbo only)[edit]

The Idle-up solenoid valve is attached to the intake collector. The solenoid valve actuates to stabilize idle speed when engine load is heavy, such as when using electrical accessories, power steering, or the oil pump.

Idleup.gif

WARNING - Do this modification at your own risk. We Are not responsable for any issues of your own doing.

Common Problems[edit]

  • Stalling when Accessories are running

Troubleshooting[edit]

  • Refer to the diagram below for step-by-step troubleshooting procedures.
  • Follow the wiring checks and voltage measurements as illustrated.
  • If a step fails, verify wiring and component continuity.

AACtroubleshootingfull.png