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Home >> Pontiac >> 1993 >> Grand Prix GTP, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.1L >> ECM/Pcm Code Charts >> Code 35 - IAC Idle Speed Error Using Tech I >> PCV Valve
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

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
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Fig 2: Code 35 Flow Chart Using Tech 1 (All Models) IAC Idle Speed Error
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