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Engine Controls - Tests W/Codes - 5.7L
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Code 35 - IAC Idle Speed Error Using Tech I
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PCV Valve
PCV Valve
An incorrect PCV valve may cause incorrect idle speed.
Fig 1: Code 35 Schematic Using Tech 1 (All Models) IAC Idle Speed Error
Fig 2: Code 35 Flow Chart Using Tech 1 (All Models) IAC Idle Speed Error