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GMC
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2003
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Safari Van Cargo, AWD
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Engine Controls - Self-Diagnostics - 4.3L
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Diagnostic Tests
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DTC P0507: Idle Control System - High Rpm
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Conditions For Setting DTC
Conditions For Setting DTC
The actual engine speed is 200 RPM more than the desired engine speed for more than 5 seconds.