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Home >> Buick >> 1992 >> Roadmaster Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 5.7L TBI >> Pcm/BCM Code Charts >> Code 35, IAC Idle Speed Error, Using Tech I >> PCV Valve
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PCV Valve

An incorrect PCV valve may cause incorrect idle speed.

Fig 1: Code 35, Schematic, IAC Idle Speed Error, Using Tech I
G91E07428
Fig 2: Code 35, Flow Chart, IAC Idle Speed Error, Using Tech I
G91C07333
Fig 3: Code 35 Flow Chart
GB0021158