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2007
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GX 470
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - DTC P0335 - P0630
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DTC P0418: Secondary Air Injection System Control "A" Circuit
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Component Operating Range
Component Operating Range
COMPONENT OPERATING RANGE
Diagnostic signal duty ratio from air injection control driver
70 to 90% when secondary air injection system operating
and
0% when secondary air injection system not operating