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Chevrolet
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1995
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Lumina Base
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Repair and Diagnosis (Single Page)
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Engine Performance
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Engine Controls - Tests W/Codes - 3.1L
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ECM/Pcm Code Charts
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Code 35, IAC Idle Speed Error
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PCV Valve
PCV Valve
An incorrect PCV valve may cause incorrect idle speed.
Fig 1: Code 35 Schematic (3.1L) IAC Idle Speed Error
Fig 2: Code 35 Diagnostic Flow Chart (3.1L) IAC Idle Speed Error