PCV Valve
The wrong PCV valve may cause incorrect idle speed.
CODE 35 ECM TERMINAL & CIRCUIT WIRING IDENTIFICATION
| Application | ECM Terminal | Wire Color | |
|---|---|---|---|
| 4.3L "S/T" Series Utility Vehicles With M/T & 4.3L, 5.0L & 5.7L With 4L60E A/T | |||
| "A" Coil High | A3 | Light Blue/White | |
| "A" Coil Low | A6 | Light Blue/Black | |
| "B" Coil High | A8 | Light Green/White | |
| "B" Coil Low | A7 | Light Green/Black | |