PCV Valve
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 1992 Oldsmobile Bravada, 1992 GMC Vandura Special, 1992 GMC Vandura, 1992 GMC Value Van, and 1992 GMC Sonoma. However, it is still accessible from the selected car via links, so may be relevant.
The wrong PCV valve may cause incorrect idle speed.
CODE 35 ECM TERMINAL & CIRCUIT WIRING ID (2.5L)
| Application | ECM Terminal | Wire Color |
|---|---|---|
| A Coil High | C5 | Lt. Blue/Wht. |
| A Coil Low | C6 | Lt. Blue/Blk. |
| B Coil High | C4 | Lt. Grn./Wht. |
| B Coil Low | C3 | Lt. Grn./Blk. |
CODE 35 ECM TERMINAL & CIRCUIT WIRING ID (4.3L TURBO)
| Application | ECM Terminal | Wire Color |
|---|---|---|
| A Coil High | GE6 | Lt. Blue/Wht. |
| A Coil Low | GE5 | Blue/Blk. |
| B Coil High | GE4 | Lt. Grn./Blk. |
| B Coil Low | GE3 | Lt. Grn. |