FixVault
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
PCV Valve
An incorrect PCV valve may cause incorrect idle speed.
Fig 1: Code 35, Schematic, IAC Idle Speed Error Using Tech I
Fig 2: Code 35, Flow Chart Using Tech 1