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Home >> Buick >> 1991 >> LeSabre Base, 4T60/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.8L PFI >> Diagnostic Flow 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 Using Tech 1
GB0021325