Isuzu Workshop Service and Repair Manuals > Pickup 2WD L4-2254cc 2.3L SOHC (4ZD1) MFI (1994) > Powertrain Management | Emission Control Systems | Air Injection | Air Injection Vacuum Control Solenoid Valve | Component Information | Description and Operation | Secondary Air Vacuum Switching Valve | Page 1343

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Secondary Air Injection System Operation

OPERATION

AIR operates under the conditions illustrated when engine rpm is below 3500 rpm.

Powertrain Management
Emission Control Systems / Air Injection / Air Injection Vacuum Control Solenoid Valve / Component Information
Description and Operation / Secondary Air Vacuum Switching Valve
Page 1343

Secondary Air Vacuum Switching Valve|Page 1344 > < Secondary Air Vacuum Switching Valve