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Z31 Idle-up solenoid (Non-Turbo only)

The idle-up solenoid valve is attached to the intake collector. This solenoid actuates to stabilize idle speed when the engine load is heavy due to electrical loads, power steering, oil pump, and similar conditions.

Idle-up Solenoid Valve

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

Common Problems

  • Stalling when Accessories are running

Troubleshooting

To test the idle-up solenoid valve, follow these steps:

AAC Valve Troubleshooting

Sources Used